Pattanapanyasat, N. and Hotravareekarnjana, pitchaya 2026. Oral Micronized Progesterone 200 mg/day versus 600 mg/day for Maintenance Tocolysis after Arrested Preterm Labor: A randomized controlled trial. Thai Journal of Obstetrics and Gynaecology. 34, 5 (Aug. 2026), 375–382. DOI:https://doi.org/10.66650/tjog.v34i5.278103.