title: Bloodletting: past and present.
authors.affiliation: Patient Care Services VA Central Office, Washington, DC, USA.
authors.forename: Ralph G
authors.initials: RG
authors.lastname: DePalma
authors.forename: Virginia W
authors.initials: VW
authors.lastname: Hayes
authors.forename: Leo R
authors.initials: LR
authors.lastname: Zacharski
mesh_terms: D001815:Bloodletting / Q000009:adverse effects / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D018962:Phlebotomy / Q000639:trends