Junngam P, Suwannasan A. Factors Related the Delay of the First Antenatal Care in Chumphae Hospital, Khon Kaen Province, Thailand. JPMAT [internet]. 2022 Sep. 13 [cited 2026 Oct. 9];12(2):373-88. available from: https://he01.tci-thaijo.org/index.php/JPMAT/article/view/254188