Blood BanksBlood DonorsBlood Transfusion, AutologousFetal BloodOocyte DonationBlood SafetyDonor SelectionBlood TransfusionAltruismSpinal CordTissue and Organ ProcurementObstetric Surgical ProceduresDirected Tissue DonationTissue DonorsSpinal Cord InjuriesPlateletpheresisErythrocyte CountPhlebotomyUmbilical CordBrain DeathCompensation and RedressBlood-Borne PathogensBlood Loss, SurgicalPreoperative CareMotivationLiving DonorsIronFerritinsInfant, NewbornDeathGift GivingNew EnglandPresumed ConsentWest Nile FeverItalyAntigens, CD34