PT - JOURNAL ARTICLE AU - Fantus, I. George TI - Metformin's contraindications: needed for now AID - 10.1503/cmaj.050401 DP - 2005 Aug 30 TA - Canadian Medical Association Journal PG - 505--507 VI - 173 IP - 5 4099 - http://www.cmaj.ca/content/173/5/505.short 4100 - http://www.cmaj.ca/content/173/5/505.full SO - CMAJ2005 Aug 30; 173