Rodriguez-Lopez, Merida, Elsa Correa-Avendaño, Ana Martinez-Avila, and Juan Merlo. “Multilevel Analysis of Birthplace Effect on the Proportion of C-Section in Colombia”. Colombia Médica 52, no. 3 (November 10, 2021): e2044411. Accessed August 14, 2024. https://colombiamedica.univalle.edu.co/colombiamedica311/index.php/comedica/article/view/4411.