Keskin, D. D., S. Keskin, and S. Bostan. “Mental Disorders Among Pregnant Women During the COVID-19 Pandemic: A Cross-Sectional Study”. São Paulo Medical Journal, vol. 140, no. 1, June 2022, pp. 1-7, https://periodicosapm.emnuvens.com.br/spmj/article/view/676.