1.     Title: In vivo biomechanical evaluations of the medial gastrocnemius: changes in muscle properties in stroke survivors.
Author(s): Gao F, Zhang LQ. Conf Proc IEEE Eng Med Biol Soc. 2006;1:2083-6.

2.     Title:  Time Course Analysis of the Effects of Botulinum Toxin Type A on Elbow Spasticity Based on Biomechanic and Electromyographic Parameters
Author(s):  Hsin-Min Lee, Jia-Jin Jason Chen, Yi-Ning Wu, Yu-Lin Wang, Sheng-Chih Huang and Maria Piotrkiewicz
Archives of Physical Medicine and Rehabilitation. Volume 89, Issue 4, April 2008, Pages 692-699

3.     Title:   A Portable Tele-Assessment System for Remote Evaluations of Impaired Elbows. Neurological Disorders.
Author(s):  Hyung-Soon Park, Qiyu Peng and Li-Qun Zhang. 
Neural Systems and Rehabilitation Engineering, IEEE Transactions on. Volume 16, Issue 3, June 2008 Pages:245 – 254

4.     Title:  A Tele-Assessment System for Evaluating Elbow Spasticity in Patients with Neurological Impairments
Author(s):  Hyung-Soon Park; Yi-Ning Wu; Yupeng Ren; Li-Qun Zhang;
Rehabilitation Robotics, 2007. ICORR 2007. IEEE 10th International Conference on. 2007 , Page(s): 917 - 922

5.     Title: Measurement of elbow spasticity in stroke patients using a manual spasticity evaluator.
Author(s):  Wu YN, Park HS, Ren Y, Gaebler-Spira D, Chen JJ, Zhang LQ.
Conf Proc IEEE Eng Med Biol Soc. 2006;1:3974-7.

6.     Title: Separate Quantification of Reflex and Nonreflex Components of Spastic Hypertonia in Chronic Hemiparesis
Author(s):  Sun G. Chung MD, Elton van Rey, Zhiqiang Baia, W. Zev Rymer MD, Elliot J. Roth and Li-Qun Zhang
Archives of Physical Medicine and Rehabilitation
Volume 89, Issue 4, April 2008, Pages 700-710

7.     Title: Quantification of Abnormal Muscle Tone in Animal Model and in Clinical Setting
Author(s):  Yi-Ning Wu
Doctoral Dissertation, 2007-11-21