title: Paleoanthropology. Lucy's 'big brother' reveals new facets of her species.
authors.forename: Ann
authors.initials: A
authors.lastname: Gibbons
mesh_terms: D000818:Animals; D049628:Body Size; D001842:Bone and Bones / Q000033:anatomy & histology*; D005002:Ethiopia; D005580:Fossils; D015186:Hominidae / Q000033:anatomy & histology / Q000145:classification; D008297:Male; D010163:Paleontology; D011187:Posture; D012863:Skeleton; D016138:Walking