SCHIEFENHÖVEL, Wulf. Human Birth: Evolutionary and Crosscultural Perspectives . Lidé města, [S. l.], v. 6, n. 2/14, p. 57–72, 2004. DOI: 10.14712/12128112.4388. Disponível em: https://ojs.cuni.cz/lidemesta/article/view/4388. Acesso em: 25 apr. 2025.