Bonilla-Sepúlveda, Óscar Alejandro. “Stress, Anxiety, and Associated Factors in Pregnant and Nonpregnant Adolescent Women in Medellin (Colombia)”. Medicina UPB 40, no. 1 (March 3, 2021): 2–9. Accessed July 2, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/7013.