title: Reply to KN Litwak and S Levin.
authors.affiliation: Department of Psychiatry and Behavioral Neuroscience The University of Chicago 5841 South Maryland Avenue MC 3077, Room W415 Chicago, IL 60637 E-mail: kekeenan@uchicago.edu.
authors.forename: Kate
authors.initials: K
authors.lastname: Keenan
authors.forename: Thad Q
authors.initials: TQ
authors.lastname: Bartlett
authors.forename: Mark
authors.initials: M
authors.lastname: Nijland
authors.forename: Nicole R
authors.initials: NR
authors.lastname: Zürcher
authors.forename: Peter W
authors.initials: PW
authors.lastname: Nathanielsz
mesh_terms: D000818:Animals; D005260:Female; D007774:Lactation / Q000502:physiology*; D008297:Male; D044342:Malnutrition / Q000503:physiopathology*; D009420:Nervous System / Q000254:growth & development*; D011247:Pregnancy; D039401:Prenatal Nutritional Physiological Phenomena