2026. PLASMA ESTRADIOL, TESTOSTERONE, AND SEX HORMONE-BINDING GLOBULIN CONCENTRATIONS, FREE ANDROGEN INDEX, AND THEIR ASSOCIATIONS WITH METABOLIC SYNDROME IN PERIMENOPAUSAL AND POSTMENOPAUSAL FEMALE HEALTHCARE WORKERS. Vietnam Journal of Community Medicine. 67, CD14 (Sept. 2026). DOI:https://doi.org/10.52163/yhc.v67iCD14.6475.