PT - JOURNAL ARTICLE AU - James McCormack AU - Kevin Johns AU - Hugh Tildesley TI - Metformin's contraindications should be contraindicated AID - 10.1503/cmaj.045292 DP - 2005 Aug 30 TA - Canadian Medical Association Journal PG - 502--504 VI - 173 IP - 5 4099 - http://www.cmaj.ca/content/173/5/502.short 4100 - http://www.cmaj.ca/content/173/5/502.full SO - CMAJ2005 Aug 30; 173