TY - JOUR T1 - Breast is best for more than 6 months JF - Canadian Medical Association Journal JO - CMAJ SP - 632 LP - 632 VL - 167 IS - 6 AU - Cindy-Lee Dennis Y1 - 2002/09/17 UR - http://www.cmaj.ca/content/167/6/632.1.abstract ER -