K. Kanadys, K. Wiktor, M. Bucholc, D. Robak-Chołubek, and H. Wiktor, “Analysis of the level of depression in perimenopausal women according to sociodemographic characteristics”, Pol J Public Health, vol. 127, no. 1, pp. 20–23, Jun. 2017, doi: 10.1515/pjph-2017-0004.