TY - GENERIC DO - 10.20944/preprints202401.2229.v1 UR - http://dx.doi.org/10.20944/preprints202401.2229.v1 TI - Physical Activity Level and Influencing Factors in Junior High School Students in China: A Cross‐ Sectional Study T2 - Preprints AU - Ma, Huijun AU - Li, Xuefeng AU - Ma, Chengliang AU - Teng, Da PY - 2024 DA - 2024/01/31 PB - Preprints