Historical details of Claude Bernard's invention of a technique for measuring the temperature and the pressure of the blood within the cavities of the heart.
D000818:Animals; D001769:Blood; D001795:Blood Pressure Determination / Q000266:history* / Q000379:methods; D001831:Body Temperature; D006328:Cardiac Catheterization / Q000266:history*; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century