| | Zhang, Rui. A Survey on the Knee Joint Injury of Middle-Aged and Elderly People Who Practice Taijiquan [Текст] / Rui. Zhang // Olympic sport and sport for all : proceedings of 17th International scientific congress ( Beijing, China, 2nd-6th, June, 2013) / International Association of Universities of Physical Culture and Sport, Capital University of Physical Education and Sports. — Beijing, 2013. — P. 86. |
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