McCartyEJ, KeaneH, QuinnK, QhahS. Implanon failure in an HIV-positive woman on antiretroviral therapy resulting in two ectopic pregnancies. Int J STD AIDS2011;22:413–14
2.
Faculty of Sexual & Reproductive Healthcare. Drug interactions with hormonal contraception. 2011. See http://www.fsrh.org/pdfs/CEUGuidanceDrugInteractionsHormonal.pdf (last accessed 3 November 2011)
3.
Liverpool HIV Pharmacology Group (LHPG) and Department of Pharmacology and Therapeutics, University of Liverpool, Liverpool, UK. See http://www.hiv-druginteractions.org (last accessed 3 November 2011)
