title: H. Newell Martin and the isolated heart preparation: the link between the frog and open heart surgery.
mesh_terms: D000818:Animals; D001001:Anura; D006348:Cardiac Surgical Procedures / Q000266:history*; D003326:Coronary Circulation; D004739:England; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D066298:In Vitro Techniques; D014481:United States