Ensuring 'clean' donated blood.
Barbara
J
J
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control / Q000635:transmission; D001782:Blood Donors; D003140:Communicable Disease Control; D006403:Hematologic Tests; D006509:Hepatitis B / Q000517:prevention & control / Q000635:transmission; D006801:Humans