Zhang, Hui A correlative study between prevalence of chondromalacia patellae and sports injury in 4068 students. [electronic resource] - Chinese journal of traumatology = Zhonghua chuang shang za zhi Dec 2003 - 370-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1008-1275 Subjects--Topical Terms: AdolescentAdultAge DistributionAthletic Injuries--epidemiologyCartilage Diseases--diagnosisCase-Control StudiesChina--epidemiologyComorbidityCross-Sectional StudiesFemaleHumansInjury Severity ScoreKnee Injuries--epidemiologyMalePatella--pathologyPrevalenceProbabilityPrognosisReference ValuesRisk FactorsSex Distribution