Interleukin 1 beta expression in Achilles tendon of stress-shielded rats following ultrasound treatment  
Zhang Jing, Ma Yan-hong, Wang Wei, Yan Xiao-yan, Zhao Hua-kun
Chinese Journal of Tissue Engineering Research . 2010, (30): 5622 -5625 .  DOI: 10.3969/j.issn.1673-8225.2010.30.027