1.
Chaemsaithong P, Raungrongmorakot K, Promsonthi P. Progesterone for Prevention of Preterm Birth. Thai J Obstet Gynaecol [internet]. 2012 Oct. 1 [cited 2026 Aug. 29];20(4):222-30. available from: https://he02.tci-thaijo.org/index.php/tjog/article/view/4692