Bonilla-Sepúlveda, Óscar Alejandro. “Stress, Anxiety, and Associated Factors in Pregnant and Nonpregnant Adolescent Women in Medellin (Colombia)”. Medicina UPB, vol. 40, no. 1, Mar. 2021, pp. 2-9, https://doi.org/10.18566/medupb.v40n1.a02.