[Reliability and validity of a 7-day physical activity questionnaire for elementary students].
Year: 2003
Type: article
Source: PubMed
Authors: Ai-Ling Liu, Guan-Sheng Ma, Qian Zhang, Wen-Jing Ma
Institution: Chinese Center For Disease Control and Prevention
Language: Chinese
Topic: Physical Activity and Health
Field: Medicine
Domain: Health Sciences
Open Access status: closed
OpenAlex ID: W2354088488
