RT Journal Article SR Electronic T1 Head-to-head IUS comparison needed JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 717 OP 718 DO 10.46747/cfp.6810717_1 VO 68 IS 10 A1 Sarah C. Plante YR 2022 UL http://www.cfp.ca/content/68/10/717.2.abstract AB