title: Two ways to make great contributions.
authors.affiliation: Department of Internal Medicine and Pharmacology, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA. Donald-heistad@uiowa.edu
authors.forename: Donald D
authors.initials: DD
authors.lastname: Heistad
mesh_terms: D035843:Biomedical Research / Q000379:methods* / Q000592:standards; D002318:Cardiovascular Diseases / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D004730:Endothelium, Vascular / Q000473:pathology / Q000502:physiology; D006801:Humans; D010506:Periodicals as Topic / Q000592:standards