History of Transfusion 2 Post world war此: #t Expansion of Blood Bank network Ht Use of plastic tubing& bags for storage tt Development of blood component therapy tt Testing of blood for infectious agents 其 autotransfus|on 粗放型 安全节约型History of Transfusion 2 Post World War II: Expansion of Blood Bank network Use of plastic tubing & bags for storage Development of blood component therapy Testing of blood for infectious agents autotransfusion 粗放型 安全-节约型