title: Topical issues--a U.S. viewpoint.
authors.affiliation: Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905.
authors.forename: R E
authors.initials: RE
authors.lastname: Vlietstra
authors.forename: R L
authors.initials: RL
authors.lastname: Frye
mesh_terms: D002318:Cardiovascular Diseases / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D007388:Internal Medicine / Q000191:economics / Q000193:education / Q000639:trends*; D014481:United States