title: "The Second Ice Age".
authors.affiliation: Department of Surgery (Neurosurgery), University of Toronto.
authors.forename: R R
authors.initials: RR
authors.lastname: Tasker
mesh_terms: D049673:History, 20th Century; D006801:Humans; D007035:Hypothermia / Q000266:history; D009493:Neurosurgery / Q000266:history