Subjects: WOUNDS & injuries; HIP fractures; RESEARCH fundingCHINA
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Subjects: SOCIAL networks; CONFIDENCE intervals; HEALTH behaviorCHINA
Subjects: TENNIS players; ATHLETIC ability; TEAM sportsCHINA
Subjects: COGNITION disorder risk factors; STRUCTURAL equation modeling; SOCIAL participationCHINA
Subjects: SELF-injurious behavior; CELL phones; TEENAGERSYUNNAN Sheng (China); CHINA
Subjects: CLUSTER sampling; STATISTICS; CONFIDENCE intervalsCHINA
Subjects: HIV infection epidemiology; HIV infection risk factors; ANTI-HIV agentsCHINA
Subjects: HOSPITALS; SHIFT systems; EVALUATION of medical careCHINA
Subjects: BRAIN physiology; ACADEMIC medical centers; CROSS-sectional methodCHINA
Subjects: PREVENTION of sexually transmitted diseases; HIV prevention; COLLEGE studentsCHINA