Blood BanksBlood DonorsBlood Transfusion, AutologousSpinal CordFetal BloodOocyte DonationBlood SafetyDonor SelectionBlood TransfusionSpinal Cord InjuriesAltruismTissue and Organ ProcurementObstetric Surgical ProceduresDirected Tissue DonationUmbilical CordTissue DonorsPlateletpheresisErythrocyte CountPhlebotomyBrain DeathCompensation and RedressBlood-Borne PathogensEye BanksBlood Loss, SurgicalPreoperative CareInfant, NewbornMotivationLiving DonorsIronFerritinsSpinal Cord DiseasesDeathPregnancySpinal Cord CompressionGift GivingAntigens, CD34New EnglandPresumed ConsentItalyWest Nile Fever