Grzesik-Gąsior J, Granisz E, Bień A, Rzońca E. Midwife in the prevention of preterm birth. J Educ Health Sport [Internet]. 2017 Aug. 31 [cited 2024 Apr. 27];7(8):1461-76. Available from: https://apcz.umk.pl/JEHS/article/view/5057