RT Journal Article SR Electronic T1 Low-risk snip may help tongue-tied infants breastfeed JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 20 OP 20 DO 10.1503/cmaj.109-4675 VO 186 IS 1 A1 Lauren Vogel YR 2014 UL http://www.cmaj.ca/content/186/1/20.abstract AB