ARA, Kefayat Chaman et al. Progesterone Therapy for the Prevention of Preterm Labor in Women with Single Risk-factor: A Systematic Review and Meta-analysis. BALI MEDICAL JOURNAL, [S.l.], v. 5, n. 1, apr. 2016. ISSN 2302-2914. Available at: <https://ojs.unud.ac.id/index.php/bmj/article/view/21788>. Date accessed: 29 apr. 2024.