RT Journal Article SR Electronic T1 Potential Implanon failure in patients on ART JF Journal of Family Planning and Reproductive Health Care JO J Fam Plann Reprod Health Care FD British Medical Journal Publishing Group SP 59 OP 60 DO 10.1136/jfprhc.2010.0025 VO 37 IS 1 A1 Sarah Duncan A1 Fran Hawkins A1 Noreen Desmond YR 2011 UL http://jfprhc.bmj.com/content/37/1/59.2.abstract AB