Blood transfusion--1914 model.
D000017:ABO Blood-Group System; D001787:Blood Group Incompatibility; D001803:Blood Transfusion / Q000266:history*; D049673:History, 20th Century; D012204:Rh-Hr Blood-Group System; D014481:United States
D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System