title: Counterpressure: the concept that made the indirect measurement of blood pressure possible.
authors.affiliation: Purdue University, West Lafayette, IN 47907, USA.
authors.forename: L A
authors.initials: LA
authors.lastname: Geddes
mesh_terms: D001794:Blood Pressure / Q000502:physiology; D001795:Blood Pressure Determination / Q000266:history* / Q000295:instrumentation / Q000379:methods; D004867:Equipment Design / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011312:Pressure