Blood Types: What They Are and Mean for Your Health
Canadian Blood Services - Individuals with type O-negative blood are universal blood donors because any patient, no matter their blood type, can receive O-negative blood. In an emergency, when there is little
Which Blood Type Is Needed the Most? - By ISaveLife.net
Blood group compatibility chart with universal donor 0 and universal recipient AB - concerning blood donation and transfusion, depicted with arrows Stock Photo - Alamy