Srirai P, Suthutvoravut S. Factors Associated with Contraceptive Practice among Hmong Hill Tribe Women in Nan Province. Res Med J [internet]. 2016 Sep. 30 [cited 2026 Sep. 20];39(3):179-86. available from: https://he02.tci-thaijo.org/index.php/ramajournal/article/view/80211