RT Journal Article SR Electronic T1 Modern Rhesus (Rh) typing in transfusion and pregnancy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E124 OP E124 DO 10.1503/cmaj.201212 VO 193 IS 4 A1 Willy Albert Flegel YR 2021 UL http://www.cmaj.ca/content/193/4/E124.abstract