Wang, X. et al. 2023. EFFECTS OF PHYSICAL EXERCISE ON HEART RATE VARIABILITY IN POSTMENOPAUSAL WOMEN: A   SYSTEMATIC REVIEW WITH META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. Journal of Advance Research in Social Science and Humanities (ISSN 2208-2387). 9, 9 (Sep. 2023), 50–63. DOI:https://doi.org/10.53555/g4kdsk77.