RT Journal Article SR Electronic T1 Periodic health examination, 1992 update: 1. Screening for gestational diabetes mellitus. Canadian Task Force on the Periodic Health Examination JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 435 OP 443 VO 147 IS 4 YR 1992 UL http://www.cmaj.ca/content/147/4/435.abstract