Journal Articles

Co-first author     *Corresponding author

  1. Lowerison MR†, Chandrasekaran NV†, Zhang W, Dong Z, Chen X, Llano DA*, Song P*, “Aging-related Microvascular Changes Visualized Using Ultrasound Localization Microscopy in the Living Mouse Brain,” bioRxiv preprint.
  2. Zhang W†, Lowerison MR†, Dong Z, Miller RJ, Keller KA, Song P*, “Super-resolution Ultrasound Localization Microscopy on a Rabbit Liver VX2 Tumor Model: an Initial Feasibility Study,” Ultrasound in Medicine and Biology, vol. 47, issue 8, pp. 2416-2429, 2021.
  3. Gong P, Song P, Huang C, Lok UW, Tang S, Zhou C, Yang L, Watt KD, Callstrom MR, Chen S*, “Noise Suppression for Ultrasound Attenuation Coefficient Estimation Based on Spectrum Normalization,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 68, issue 8, pp. 2667-2674, 2021
  4. Huang C†, Zhang W†, Gong P, Lok UW, Tang S, Yin T, Zhang X, Zhu L, Sang M, Song P, Zheng R*, Chen S*, “Super-Resolution Ultrasound Localization Microscopy Based on a High Frame-rate Clinical Ultrasound Scanner: An In-human Feasibility Study,” Physics in Medicine and Biology, vol. 66, no. 8, 08NT01, 2021.
  5. Dong Z, Li S, Lowerison MR, Pan J, Zou J, Song P*, “Fast Acoustic Steering via Tilting Electromechanical Reflectors (FASTER): a Novel Method for High Volume-Rate 3D Ultrasound Imaging,” IEEE Transactions on Ultrasoncis, Ferroelectrics, and Frequency Control, vol. 68, issue 3, pp. 675-687, 2021.
  6. Thomas AN, Song KH, Upadhyay A, Papadapolou V, Ramirez D, Benninger RKP, Lowerison MR, Song P, Murray T, Borden M*, “Contrast-enhanced Sonography with Biomimetic Lung Surfactant Nanodrops,” Langmuir, vol. 37, no. 7, pp. 2386-2396, 2021.
  7. Huang C, Song P, Gong P, Lok UW, Tang S, Trzasko JD, Manduca A, Chen S*, “Simultaneous Noise Suppression and Incoherent Artifact Reduction in Ultrafast Ultrasound Vascular Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 68, issue 6, pp. 2075-2085, 2021.
  8. Lok UW, Trzasko JD, Huang C, Tang S, Gong P, Lucien F, Kim Y, Lowerison MR, Song P, Chen S*, “Improved Ultrasound Microvessel Imaging (UMI) Using Deconvolution with Total Variation Regularization,” Ultrasound in Medicine and Biology, vol. 47, no. 4, pp. 1089-1098, 2021.
  9. Palmeri ML*, Milkowski A, Barr R, Carson P, Couade M, Chen J, Chen S, Dhyani M, Ehman R, Garra B, Gee A, Guenette G, Hah Z, Lynch T, Macdonald M, Managuli R, Miette V, Nightingale KR, Obuchowski N, Rouze NC, Morris DC, Fielding S, Deng Y, Chan D, Choudhury K, Yang S, Samir AE, Shamdasani V, Urban M, Wear K, Xie H, Ozturk A, Qiang B, Song P, McAleavey S, Rosenzweig S, Wang M, Okamura Y, McLaughlin G, Chen Y, Napolitano D, Carlson L, Erpelding T, Hall TJ, “Radiological Society of North America/Quantitative Imaging Biomarker Alliance Shear Wave Speed Bias Quantification in Elastic and Viscoelastic Phantoms,” Journal of Ultrasound in Medicine, 9999:1-13, 2021.
  10. Tang S†, Cuellar Ramos C†, Song P, Islam R, Huang C, Wen H, Knudsen BE, Lee KH, Gong P, Lok UW, Chen S, Lavrov IA*, “Changes in Spinal Cord Hemodynamics Reflect Modulation of Spinal Network with Different Parameters of epidural Stimulation,” NeuroImage 221:117183, 2020.
  11. Huang C, Song P, Mellema DC, Gong P, Lok UW, Tang S, Ling W, Meixner DD, Urban MW, Manduca A, Greenleaf JF, Chen S*, “Three-Dimensional (3D) Shear Wave Elastography on Conventional Ultrasound Scanners with External Vibration,” Physics in Medicine and Biology, vol. 65, no. 21, pp. 1-17, 2020.
  12. Gong P, Zhou C, Song P, Huang C, Lok UW, Tang S, Watt K, Callstrom M, Chen S*, “Ultrasound Attenuation Estimation in Harmonic Imaging for Robust Fatty Liver Detection,” Ultrasound in Medicine and Biology, vol. 46, issue 11, pp. 3080-3087, 2020.
  13. Zhang J, Deng Y, Tang Q, Sun J, Huang L, Song P, Bi X*, “Evaluation of Myocardial Stiffness in Hypertensive Patients by Intrinsic Wave Propagation of Myocardial Stretch,” Ultrasound in Medicine and Biology, vol. 46, no. 10, pp. 2683-2691, 2020.
  14. Lok UW, Song P, Trzasko JD, Daigle RE, Borisch EA, Huang C, Gong P, Ling W, Chen S*, “Real time SVD-based clutter filtering using randomized singular value decomposition and spatial downsampling for micro-vessel imaging on a Verasonics system”, Ultrasonics, vol. 107, 106163, pp. 1-11, 2020.
  15. Lee CU*, Zhou C, Hyde B, Song P, Hangiandreou NJ, “Techniques for Improving Ultrasound Visualization of Biopsy Markers in Axillary Lymph NodesJournal of Clinical Imaging Science, (10)21, pp. 1-7, 2020.
  16. Lowerison MR, Huang C, Kim Y, Lucien F, Chen S, Song P*, “In Vivo Confocal Imaging of Fluorescently Labelled Microbubbles: Implications for Ultrasound Localization Microscopy,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 67, no. 9, pp. 1811-1819, 2020.
  17. Gong P†, Song P†, Kolbe AB, Sheedy SP, Huang C, Ling W, Yu Y, Lok UW, Tang S, Knudsen JM, Bruining DH, Chen S*, “Quantitative Inflammation Assessment of Inflammatory Bowel Disease Using Ultrafast Ultrasound Microvessel Imaging: A Pilot StudyJournal of Ultrasound in Medicine, 39:1819-1827, 2020.
  18. Huang C†, Lowerison MR†, Trzasko JD, Manduca A, Bresler Y, Tang S, Gong P, Lok UW, Song P*, Chen S*, “Short Acquisition Time Super-Resolution Ultrasound Microvessel Imaging via Microbubble SeparationScientific Reports, (10):6007, 2020.
  19. Tang S†, Song P†, Trzasko JD, Manduca A, Huang C, Lowerison MR, Gong P, Lok UW, Chen S*, “Kalman Filter-Based Microbubble Tracking for Robust Super-Resolution Ultrasound Microvessel Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 67, no. 9, pp. 1738-1751, 2020.
  20. Yi H, Cai B, Ai X, Li K, Song P, Zhang W*, “Early Identification of Residual Tumors Following Microwave Ablation Using Contrast-Enhanced Ultrasonography in a Rabbit VX2 Liver Cancer Mode,” Biomedical Research International, vol. 2020, article ID 2462058, pp. 1-9, 2020.
  21. Yi H, Cui X, Cai B, Qiu L, Song P, Zhang W*, “A Quantitative Grading System of Vesicoureteral Reflux by Contrast-Enhanced Voiding Urosonography,” Medical Ultrasonography, vol. 22, no. 3, pp. 287-292, 2020.
  22. (Media coverage by Physics World) Lowerison MR†, Huang C†, Lucien F, Chen S*, Song P*, “Ultrasound localization microscopy of renal tumor xenografts in chicken embryo is correlated to hypoxia,” Scientific Reports, 10: 2478, 2020.
  23. Gong P†, Song P†, Huang C, Fazzio RT, Ruddy KJ, Ghosh K, Meixner DD, Ling W*, Chen S, “Ultra-sensitive Ultrasound Microvessel Imaging for Characterizing Benign and Malignant Breast Tumors,” Ultrasound in Medicine and Biology, vol. 45, issue 12, pp. 3128-3136, 2019.
  24. (Journal cover) Huang C, Song P, Gong P, Trzasko JD, Manduca A, Chen S*, “Debiasing-based Noise Suppression for Ultrafast Ultrasound Microvessel Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 66, no. 8, pp. 1281-1291, 2019.
  25. Song P†, Cuellar Ramos C, Tang S, Islam R, Wen H, Huang C, Manduca A, Trzasko JD, Knudsen BE, Lee KH, Chen S*, Lavrov IA*, “Functional Ultrasound Imaging of Spinal Cord Hemodynamic Responses to Electrical Stimulation: A Feasibility Study,” Frontiers in Neurology, vol. 10, no. 279, pp. 1-13, 2019.
  26. Gong P, Song P, Huang C, Trzasko JD, Chen S*, “System-Independent Ultrasound Attenuation Coefficient Estimation Using Spectra Normalization,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 66, no. 5, pp. 867-875, 2019.
  27. Huang C, Lowerison MR, Lucien F, Wang D, Gong P, Song P*, Chen S*, “Noninvasive Contrast-Free 3D Evaluation of Tumor Angiogenesis with Ultrasensitive Ultrasound Microvessel Imaging,” Scientific Reports, vol. 9, no. 1, pp. 4907, 2019.
  28. Liu X, Gong P, Song P, Xie F, Miller AL, Chen S, Lu L*, “Rapid Conjugation of Nanoparticles, Proteins and siRNAs to Microbubbles By Strain-Promoted Click Chemistry for Ultrasound Imaging and Drug Delivery,” Polymer Chemistry, vol. 10. pp. 705-717, 2019.
  29. Gong P, Song P, Chen S*, “On Combination of Hadamard-encoded Multi-pulses (HEM) and Multiplane Wave (MW) Transmission in Contrast Enhanced Ultrasound Imaging”, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 65, issue 10, pp. 1970-1980, 2018
  30. Song P, Manduca A, Trzasko JD, Daigle RE, Chen S*, “On the Effects of Spatial Sampling Quantization in Super-Resolution Ultrasound Microvessel Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 65, issue 12, pp. 2264-2276, 2018.
  31. Brandenburg JE*, Eby SF, Song P, Bamlet WR, Sieck GC, An KN, “Quantifying Effect of Onabotulinum Toxin A on Passive Muscle Stiffness in Children with Cerebral Palsy Using Ultrasound Shear Wave Elastography,” American Journal of Physical Medicine and Rehabilitation, vol. 97, issue 7, pp. 500-506, 2018.
  32. Liu X, Gong P, Song P, Xie F, Miller AL, Chen S, Lu L*, “Fast Functionalization of Ultrasound Microbubbles Using Strain Promoted Click Chemistry,” Biomaterials Science, vol. 6, issue 3, pp. 623-632, 2018.
  33. Kijanka P, Qiang B, Song P, Amador Carrascal C, Chen S, Urban MW*, “Robust Phase Velocity Dispersion Estimation of Viscoelastic Materials Used for Medical Applications Based on the Multiple Signal Classification Method,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 65, issue 3, pp. 423-439, 2018.
  34. Long Z, Tradup DJ, Song P, Stekel SF, Chen S, Glazebrook KN, Hangiandreou NJ*, “Clinical Acceptance Testing and Scanner Comparison of Ultrasound Shear Wave Elastography,” Journal of Applied Clinical Medical Physics, vol. 19, issue 3, pp. 336-342, 2018. 
  35. (Journal coverSong P, Trzasko JD, Manduca A, Huang R, Kadirvel R, Kallmes DF, Chen S*, “Improved Super-Resolution Ultrasound Microvessel Imaging with Spatiotemporal Nonlocal Means Filtering and Bipartite Graph-Based Microbubble Tracking,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 65, issue 2, pp. 149-167, 2018.
  36. Gong P, Song P, Chen S*, “Improved Contrast Enhanced Ultrasound Imaging with Multiplane Wave Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 65, issue 2, pp. 178-187, 2018.
  37. Mellema DC, Song P, Manduca A, Urban MW, Kinnick RR, Greenleaf JF, Chen S*, “Probe Oscillation Shear Wave Elastography: Initial In Vivo Results in Liver,” IEEE Transactions on Medical Imaging, vol. 37, no. 5, pp. 1214-1223, 2018.
  38. Gong P, Song P, Chen S*, “Hadamard Encoded Multi-Pulses for Contrast Enhanced Ultrasound Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 64, issue 11, pp. 1674-1683, 2017.
  39. Song P, Manduca A, Trzasko JD, Chen S*, “Letters: Noise Equalization for Ultrafast Plane Wave Microvessel Imaging,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 64, issue 11, pp. 1776-1781, 2017.
  40. Gong P, Song P, Chen S*, “Ultrafast Synthetic Transmit Aperture Imaging (USTA) Using Hadamard-Encoded Virtual Sources with Overlapping Sub-Apertures,” IEEE Transactions on Medical Imaging, vol. 36, no. 6, pp. 1372-1381, 2017.
  41. Song P, Trzasko JD, Manduca A, Qiang B, Kadirvel R, Kallmes DF, Chen S*, “Accelerated Singular Value-Based Ultrasound Blood Flow Clutter Filtering with Randomized Singular Value Decomposition (rSVD) and Randomized Spatial Downsampling,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 64, no. 4, pp. 706-716, 2017.
  42. Eby SF*, Zhao H, Song P, Vareberg BJ, Kinnick RR, Greenleaf JF, An KN, Brown AW, Chen S, “Quantifying Spasticity in Individual Muscles Using Shear Wave Elastography,” Radiology Case Reports, vol. 12, issue 2, pp. 348-352, 2017.
  43. Gong P, Song P, Chen S*, “Delay-encoded Harmonic Imaging (DE-HI) in Multiplane-wave Compounding,” IEEE Transactions on Medical Imaging, vol. 36, no. 4, pp. 952-959, 2017.
  44. Song P, Manduca A, Trzasko JD, Chen S*, “Ultrasound Small Vessel Imaging with Block-wise Adaptive Local Clutter Filtering,” IEEE Transactions on Medical Imaging, vol. 36, no. 1, pp. 251-262, 2017.
  45. Brandenburg JE*, Eby SF, Song P, Bamlet WR, Kingsley-Berg SM, Sieck GS, An KN, “Quantifying Passive Muscle Stiffness in Children with and without Cerebral Palsy Using Shear Wave Elastography,” Developmental Medicine and Child Neurology, vol. 58, issue 12, pp. 1288-1294, 2016.
  46. Mellema DC, Song P, Kinnick RR, Urban MW, Greenleaf JF, Manduca A, Chen S*, “Probe Oscillation Shear Elastography (PROSE): A High Frame-Rate Method for Two-Dimensional Ultrasound Shear Wave Elastography,” IEEE Transactions on Medical Imaging, vol. 35, no. 9, pp. 2098-2106, 2016.
  47. Song P, Bi X, Mellema DC, Manduca A, Urban MW, Pellikka PA, Chen S, Greenleaf JF*, “Pediatric Cardiac Shear Wave Elastography for Quantitative Assessment of Myocardial Stiffness: A Pilot Study in Healthy Controls,” Ultrasound in Medicine and Biology, vol. 42, issue 8, pp. 1719-1729, 2016.
  48. Eby SF, Zhao H, Song P, Vareberg BJ, Kinnick RR, Greenleaf JF, An KN, Chen S, Brown AW*, “Quantitative Evaluation of Passive Muscle Stiffness in Chronic Stroke,” American Journal of Physical Medicine and Rehabilitation, vol. 95, issue 12, pp. 899-910, 2016.
  49. Amador Carrascal C, Song P, Meixner DD, Chen S, Urban MW*, “Improvement of Shear Wave Motion Detection Using Harmonic Imaging in Healthy Human Liver,” Ultrasound in Medicine and Biology, vol. 42, no. 5, pp. 1031-1041, 2016.
  50. Urban MW, Qiang B, Song P, Nenadic IZ, Chen S, Greenleaf JF*, “Investigation of the Effects of Myocardial Anisotropy for Shear Wave Elastography Using Impulsive Force and Harmonic Vibration,” Physics in Medicine and Biology, vol. 61, no. 1, pp. 365-382, 2016.
  51. Song P†, Bi X, Mellema DC, Manduca A, Urban MW, Greenleaf JF, Chen S*, “Quantitative Assessment of Left Ventricular Diastolic Stiffness Using Cardiac Shear Wave Elastography: A Pilot Study,” Journal of Ultrasound in Medicine, vol. 35, pp. 1419-1427, 2016.
  52. Song P, Mellema DC, Sheedy SP, Meixner DD, Karshen RM, Urban MW, Manduca A, Sanchez W, Callstrom MR, Greenleaf, JF, Chen S*, “Performance of 2-Dimensional Ultrasound Shear Wave Elastography in Liver Fibrosis Detection Using Magnetic Resonance Elastography as the Reference Standard: A Pilot Study,” Journal of Ultrasound in Medicine, vol. 35, no. 2, pp. 401-412, 2016.
  53. Denis M, Bayat M, Mehrmohammadi M, Gregory A, Song P, Whaley DH, Pruthi S, Chen S, Fatemi M, Alizad A*, “Update on Breast Cancer Detection Using Comb-push Ultrasound Shear Elastography,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, no. 9, pp. 1644-1650, 2015.
  54. Song P, Urban MW, Manduca A, Greenleaf JF, Chen S*, “Coded Excitation Plane Wave Imaging for Shear Wave Motion Detection,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, no. 7, pp. 1356-1372, 2015.
  55. Denis M, Mehrmohammadi M, Song P, Meixner DD, Fazzio RT, Pruthi S, Chen S, Fatemi M, Alizad A*, “Comb-push Ultrasound Shear Elastography of Breast Masses: Initial Results Show Promise,” PLoS ONE, 10(3): e0119398, 2015.
  56. Itoigawa Y, Sperling JW, Steinmann SP, Chen Q, Song P, Chen S, Itoi E, Hatta T, An KN*, “Feasibility Assessment of Shear Wave Elastography to Rotator Cuff Muscle,” Clinical Anatomy, vol. 28, issue 2, pp. 213-218, 2015.
  57. Brandenburg JE*, Eby SF, Song P, Zhao H, Landry BW, Chen S, Sieck GC, An KN, “Feasibility and Reliability of Quantifying Passive Muscle Stiffness in Young Children Using Ultrasound Shear Wave Elastography,” Journal of Ultrasound in Medicine, vol. 34, no. 4, pp. 663-670, 2015. 
  58. (Journal coverSong P, Macdonald MC, Behler RH, Lanning JD, Wang MH, Urban MW, Manduca A, Zhao H, Callstrom MR, Alizad A, Greenleaf JF, Chen S*, “Two-dimensional Shear Wave Elastography on Conventional Ultrasound Scanners with Time Aligned Sequential Tracking (TAST) and Comb-push Ultrasound Shear Elastography (CUSE),” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, issue 2, pp. 290 – 302, 2015. 
  59. (Journal cover) Nabavizadeh A, Song P, Chen S, Greenleaf JF, Urban MW*, “Multi-Source and Multi-Directional Shear Wave Generation with Intersecting Steered Ultrasound Push Beams,” IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, no. 4, pp. 647-662, 2015.
  60. Eby SF, Cloud BA, Brandenburg JE, Giambini H, Song P, Chen S, LeBrasseur NK, An KN*, “Shear Wave Elastography of Passive Skeletal Muscle Stiffness: Influences of Sex and Age throughout Adulthood,” Clinical Biomechanics, vol. 30, issue 1, pp. 22 – 27, 2015.
  61. Mehrmohammadi M, Song P, Meixner DD, Fazzio RT, Callstrom MR, Chen S, Fatemi M, Alizad A*, “Comb-push Ultrasound Shear Elastography (CUSE) for Evaluation of Thyroid Nodules: Preliminary In Vivo Results,” IEEE Transactions on Medical Imaging, vol. 34, no. 1, pp. 97 – 106, 2015.
  62. Dillman JR*, Chen S, Zhao H, Urban MW, Song P, Larson ED, Watcharotone K, Davenport MS, Carson PL, “Superficial ultrasound shear wave speed measurements in soft and hard elasticity phantoms: repeatability and reproducibility using two ultrasound systems”, Pediatric Radiology, pp. 1 – 10, 2014.
  63. (IEEE TMI featured article) Zhao H, Song P, Meixner DD, Kinnick RR, Callstrom MR, Sanchez W, Urban MW, Manduca A, Greenleaf JF, Chen S*, “External Vibration Multi-directional Ultrasound Shearwave Elastography (EVMUSE): Application in Liver Fibrosis Staging”, IEEE Transactions on Medical Imaging, vol. 33, issue. 11, pp. 2140 – 2148, 2014.
  64. Brandenburg JE*, Eby SF, Song P, Zhao H, Brault JS, Chen S, An KN, “Ultrasound Elastography: The New Frontier in Direct Measurement of Muscle Stiffness”, Archives of Physical Medicine and Rehabilitation, vol. 95, issue 11, pp. 2207 – 2219, 2014.
  65. Song P, Manduca A, Zhao H, Urban MW, Greenleaf JF, Chen S*, “Fast Shear Compounding Using Robust 2-D Shear Wave Speed Calculation and Multi-directional Filtering”, Ultrasound in Medicine and Biology, vol. 40, no. 6, pp. 1343-1355, 2014.
  66. Song P, Urban MW, Manduca A, Zhao H, Greenleaf JF, Chen S*, “Comb-push Ultrasound Shear Elastography (CUSE) with Various Ultrasound Push Beams”, IEEE Transactions on Medical Imaging, vol. 32, issue 8, pp. 1435 – 1447, 2013.
  67. Song P, Zhao H, Urban MW, Manduca A, Pislaru SV, Kinnick RR, Pislaru C, Greenleaf JF, Chen S*, “Improved Shear Wave Motion Detection Using Pulse-Inversion Harmonic Imaging with a Phased Array Transducer”, IEEE Transactions on Medical Imaging, vol. 32, issue 12, pp. 2299-2310, 2013.
  68. Kulig K*, Robert L, Chang YJ, Hannanvash N, Reischl SF, Song P, Bashford GR, “Patellar Tendon Morphology in Volleyball Athletes with and without Patellar Tendinopathy”, Scandinavian Journal of Medicine and Science in Sports, 23(2): e81-8, 2013.
  69. Eby SF, Song P, Chen S, Chen Q, Greenleaf JF, An KN*, “Validation of Shear Wave Elastography in Skeletal Muscle”, Journal of Biomechanics, vol. 46, issue 14, pp. 2381-2387, 2013.
  70. Song P, Zhao H, Manduca A, Urban MW, Greenleaf JF, Chen S*, “Comb-push Ultrasound Shear Elastography (CUSE): A Novel Method for Two-dimensional Shear Elasticity Imaging of Soft Tissues”, IEEE Transactions on Medical Imaging, vol. 31, issue 9, pp. 1821 – 1832, 2012.
  71. Zhao H, Song P, Urban MW, Greenleaf JF, Chen S*, “Shear Wave Speed Measurement Using an Unfocused Ultrasound Beam”, Ultrasound in Medicine and Biology, vol. 38, no. 9, pp. 1646 – 1655, 2012.
  72. Zhao H, Song P, Urban MW, Kinnick RR, Yin M, Greenleaf JF, Chen S*, “Bias Observed in Time-of-flight Shear Wave Speed Measurements Using Radiation Force of a Focused Ultrasound Beam”, Ultrasound in Medicine and Biology, vol. 37, no. 11, pp. 1884 – 1892, 2011.