Young NM, Capellini TD, Roach NT, Alemseged Z. Fossil hominin shoulders support an African ape-like last common ancestor of humans and chimpanzees. Proc Natl Acad Sci U S A. 2015;112(38):11829-34. doi:10.1073/pnas.1511220112
Young NM, Capellini TD, Roach NT, Alemseged Z. Reply to Melillo: Woranso-Mille is consistent with an australopithecine shoulder intermediate between African apes and Homo. Proc Natl Acad Sci U S A. 2015;112(52):E7160. doi:10.1073/pnas.1521824112
Young NM, Capellini TD, Roach NT, Alemseged Z. Reply to Almécija: A new direction for reconstructing our last common ancestor with chimpanzees. Proc Natl Acad Sci U S A. 2016;113(8):E945. doi:10.1073/pnas.1525673113