PT - JOURNAL ARTICLE AU - J. McSherry TI - Folic acid and the pill DP - 1998 Aug 11 TA - Canadian Medical Association Journal PG - 218--218 VI - 159 IP - 3 4099 - http://www.cmaj.ca/content/159/3/218.1.short 4100 - http://www.cmaj.ca/content/159/3/218.1.full SO - CMAJ1998 Aug 11; 159