title: Males, females and the value of toy models: a commentary on Bookstein et al. (2008).
authors.affiliation: Laboratory of Ecological and Evolutionary Dynamics, Department of Biological and Environmental Science, University of Helsinki, Helsinki, Finland. hanna.kokko@helsinki.fi
authors.forename: Hanna
authors.initials: H
authors.lastname: Kokko
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D008954:Models, Biological; D010298:Parity; D010331:Paternal Age; D011247:Pregnancy; D012725:Sexual Behavior