RT Journal Article SR Electronic T1 Canada lags on newborn screening JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 23 OP 23 DO 10.1503/cmaj.050721 VO 173 IS 1 A1 Laura Eggertson YR 2005 UL http://www.cmaj.ca/content/173/1/23.1.abstract