title: Attention should be paid to preventing knee injury in tai chi exercise.
authors.forename: Hong-lin
authors.initials: HL
authors.lastname: Chen
authors.forename: Kun
authors.initials: K
authors.lastname: Liu
authors.forename: Qin-sheng
authors.initials: QS
authors.lastname: You
mesh_terms: D000058:Accidental Falls / Q000517:prevention & control*; D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D026302:Tai Ji