Preservation of blood cells and bone marrow by freezing.
D000818:Animals; D001793:Blood Preservation / Q000379:methods; D001853:Bone Marrow / Q000502:physiology; D006224:Cricetinae; D004905:Erythrocyte Aging; D005615:Freezing; D006801:Humans; D014021:Tissue Preservation / Q000379:methods*