title: A tribute to C. Everett Koop.
authors: University of California, San Francisco, CA 94143, USA. KesslerD@medsch.ucsf.edu
authors: David A
authors: DA
authors: Kessler
authors: Jeffrey A
authors: JA
authors: Nesbit
authors: Timothy Mark
authors: TM
authors: Westmoreland
authors: Mary Beth
authors: MB
authors: Albright
mesh_terms: D015658:HIV Infections / Q000517:prevention & control; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D011634:Public Health / Q000266:history*; D012907:Smoking / Q000009:adverse effects; D014481:United States