In another vein: rationale and criteria for studying blood transfusions.
D001779:Blood Coagulation Factors; D001803:Blood Transfusion / Q000592:standards*; D005069:Evaluation Studies as Topic; D006801:Humans; D008485:Medical Audit; D017713:Platelet Transfusion; D065227:Transfusion Reaction
D001779:Blood Coagulation Factors