ROBAK-CHOŁUBEK, Dorota; CHOŁUBEK, Gustaw; PIRÓG, Ewa. Determining fetal sex in pregnancy with reference to pregnant women behavior in late pregnancy. Polish Journal of Public Health, Lublin, Poland, v. 125, n. 2, p. 87–89, 2015. DOI: 10.1515/pjph-2015-0030. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1315. Acesso em: 27 aug. 2025.