title: Brothers.
authors.affiliation: Department of Surgery, Mayo Clinic, Rochester, Minn, USA.
authors.forename: J A
authors.initials: JA
authors.lastname: van Heerden
mesh_terms: D013502:General Surgery / Q000193:education / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008910:Minnesota; D010817:Physician-Patient Relations; D011287:Prejudice; D014754:Violence / Q000706:statistics & numerical data