title: A universal model for the evolution of viviparity? (Comment on DOI 10.1002/bies.201400200).
authors.affiliation: Department of Biological Sciences, East Tennessee State University, Johnson City, TN, USA.
authors.forename: James R
authors.initials: JR
authors.lastname: Stewart
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008297:Male; D012098:Reproduction