title: First transfusions of red blood cells previously frozen and thawed.
mesh_terms: D001793:Blood Preservation / Q000266:history*; D001803:Blood Transfusion / Q000266:history*; D017707:Erythrocyte Transfusion; D005615:Freezing; D005990:Glycerol; D049673:History, 20th Century; D006801:Humans; D008131:London
chemical_list: D005990:Glycerol