title: Improved method for the cryopreservation of human red cells in liquid nitrogen with hydroxyethyl starch.
mesh_terms: D001793:Blood Preservation / Q000379:methods*; D004912:Erythrocytes / Q000166:cytology; D005615:Freezing; D006801:Humans; D006895:Hydroxyethyl Starch Derivatives; D009584:Nitrogen; D010952:Plasma Substitutes; D013213:Starch / Q000031:analogs & derivatives
chemical_list: D006895:Hydroxyethyl Starch Derivatives; D010952:Plasma Substitutes; D013213:Starch; D009584:Nitrogen