RT Journal Article SR Electronic T1 Gene abnormalities may lead to multiple system defects for heart patients JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 254 OP 254-a VO 164 IS 2 A1 Paule Armstrong A1 Robert Hegele YR 2001 UL http://www.cmaj.ca/content/164/2/254.2.abstract