RT Journal Article SR Electronic T1 Hepatitis B antigen in screened blood units for transfusion in renal dialysis patients JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 308 OP 308 VO 110 IS 3 A1 Leers, W. D. A1 Kouroupis, G. M. YR 1974 UL http://www.cmaj.ca/content/110/3/308.abstract