Wongwiwatthananukit, S., Dhumma-Upakorn, R., & Kaenboon, K. (2018). Effectiveness of Oral Maintenance Terbutaline Therapy after Threatened Preterm Labor. Journal of Health Research, 23(1), 37–42. Retrieved from https://he01.tci-thaijo.org/index.php/jhealthres/article/view/156331