Frozen blood.
D001771:Blood Banks; D001789:Blood Group Antigens; D001793:Blood Preservation; D001798:Blood Proteins / Q000032:analysis; D002712:Chlorides / Q000032:analysis; D002951:Citrates / Q000032:analysis; D004912:Erythrocytes / Q000032:analysis; D005615:Freezing; D005990:Glycerol; D006461:Hemolysis; D006509:Hepatitis B / Q000517:prevention & control; D006801:Humans; D007519:Isoantigens / Q000032:analysis; D007958:Leukocyte Count; D008404:Massachusetts; D008722:Methods; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis
D001789:Blood Group Antigens; D001798:Blood Proteins; D002712:Chlorides; D002951:Citrates; D007519:Isoantigens; D012964:Sodium; D005990:Glycerol; D011188:Potassium