title: Who assisted whom?
authors.forename: Ronald
authors.initials: R
authors.lastname: Dee
mesh_terms: D000739:Anecdotes as Topic; D000818:Animals; D003299:Cooperative Behavior; D001026:Coronary Artery Bypass / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D014481:United States