Iwanowicz-Palus, Grażyna J., Agnieszka M. Bień, Grażyna Stadnicka, and Ewa Golonka. 2012. “Psycho-Social Determinants in Health State Self-Evaluation by Polish Midwives”. Polish Journal of Public Health 122 (4): 400-405. https://doi.org/10.12923/j.0044-2011/122-4/a.12.