ASSOCIATION BETWEEN PHYSICAL ACTIVITY AND SARCOPENIA AMONG MIDDLE-AGED AND OLDER ADULTS IN CHINA: A CROSS-SECTIONAL STUDY. SEATROPH [Internet]. 2026 Mar. 29 [cited 2026 Apr. 15];57(2):272-98. Available from: https://journal.seameotropmednetwork.org/index.php/jtropmed/article/view/1396