[Problem of virus hepatitis in the Polish blood transfusion service].
D000488:Allied Health Personnel; D001771:Blood Banks; D001782:Blood Donors; D001803:Blood Transfusion; D006506:Hepatitis A / Q000097:blood*; D006801:Humans; D011044:Poland
Zagadnienie wirusowego zapalenia watroby w polskiej słuzbie krwi.