title: Bloodletting over the centuries.
mesh_terms: D001815:Bloodletting / Q000266:history* / Q000295:instrumentation / Q000379:methods; D005060:Europe; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D014481:United States