RT Journal Article SR Electronic T1 Inserting the levonorgestrel intrauterine system JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 643 OP 644 VO 53 IS 4 A1 Caron, Catherine YR 2007 UL http://www.cfp.ca/content/53/4/643.abstract AB