title: The evolution of bipedalism and assisted birth.
authors: Department of Sociology and Anthropology, New Mexico State University, USA.
authors: W R
authors: WR
authors: Trevathan
mesh_terms: D000818:Animals; D001318:Authoritarianism; D005075:Biological Evolution; D036861:Delivery, Obstetric / Q000523:psychology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000523:psychology*; D008880:Midwifery; D011187:Posture; D011247:Pregnancy; D012931:Social Environment