title: Use of frozen blood in surgical patients.
mesh_terms: D000017:ABO Blood-Group System; D001793:Blood Preservation; D001803:Blood Transfusion; D004636:Emergency Service, Hospital; D004912:Erythrocytes; D005615:Freezing; D006801:Humans; D008722:Methods; D012204:Rh-Hr Blood-Group System; D013514:Surgical Procedures, Operative
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System