Wongwiwatthananukit S, Dhumma-Upakorn R, Kaenboon K. Effectiveness of Oral Maintenance Terbutaline Therapy after Threatened Preterm Labor. J Health Res [internet]. 2018 Nov. 20 [cited 2026 Oct. 1];23(1):37-42. available from: https://he01.tci-thaijo.org/index.php/jhealthres/article/view/156331