title: The Malthusian moment.
authors.affiliation: Wellcome Institute for the History of Medicine, London.
authors.forename: R
authors.initials: R
authors.lastname: Porter
mesh_terms: D004739:England; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D011157:Population Dynamics; D012942:Social Sciences / Q000266:history*