论文部分内容阅读
UptoWorldWarⅡ ,bloodtransfusionwasasurgicaloperationrequiringcloseproximitybetweenthedonorandthepatient.Blooddonationaswellasbloodtransfusiontookplaceinhospitals ,whichthenhadtofindthedonors.Bloodtransfusionserviceswereformedasanaturalextensionofthehospit