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			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.
<strong>BALI MEDICAL JOURNAL</strong>, [S.l.], v. 5, n. 1, apr. 2016.
ISSN 2302-2914.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/bmj/article/view/21788" target="_new">https://ojs.unud.ac.id/index.php/bmj/article/view/21788</a>&gt;. Date accessed: 03 sep. 2026.