title: What's behind her smile?
authors.affiliation: Center for Studies in Behavioral Neurobiology, Department of Psychology, Concordia University, QC, Canada. Jim.Pfaus@concordia.ca
authors.forename: James G
authors.initials: JG
authors.lastname: Pfaus
mesh_terms: D000818:Animals; D001921:Brain / Q000502:physiology; D004576:Electromyography; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D006728:Hormones / Q000378:metabolism; D006801:Humans; D010060:Ovulation / Q000502:physiology*; D012725:Sexual Behavior / Q000502:physiology*; D012904:Smiling / Q000502:physiology*
chemical_list: D006728:Hormones