title: Livingstone's 'alternative hypothesis'.
authors.forename: D J
authors.initials: DJ
authors.lastname: Ortner
authors.forename: F B
authors.initials: FB
authors.lastname: Livingstone
mesh_terms: D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D010164:Paleopathology / Q000266:history*; D014211:Treponemal Infections / Q000266:history*