Łata, Aleksandra, et al. “Comparison of Demographic Factors and Selected Maternity Care Variables in Women Who Chose Midwife-Led or Obstetrician-Led Antenatal Care Respectively”. Nursing in the 21st Century, vol. 18, no. 1(66), June 2019, pp. 29-36, https://doi.org/10.2478/pielxxiw-2019-0002.