title: From forelimbs to two legs.
authors.forename: M
authors.initials: M
authors.lastname: Collard
authors.forename: L C
authors.initials: LC
authors.lastname: Aiello
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives; D005580:Fossils; D015186:Hominidae / Q000033:anatomy & histology* / Q000502:physiology; D006801:Humans; D010802:Phylogeny; D011187:Posture; D016138:Walking; D014953:Wrist / Q000033:anatomy & histology* / Q000502:physiology; D014955:Wrist Joint / Q000033:anatomy & histology / Q000502:physiology
chemical_list: C042667:enkephalinamide-Leu, Tyr sulfate(1)-; D004743:Enkephalin, Leucine