title: Isolated heart preservation for 24 hours: is O2 important?
mesh_terms: D000818:Animals; D003080:Cold Temperature; D004285:Dogs; D006321:Heart / Q000502:physiology; D016027:Heart Transplantation; D010100:Oxygen / Q000494:pharmacology*; D010477:Perfusion; D014021:Tissue Preservation / Q000379:methods*
chemical_list: D010100:Oxygen