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Riley HEM, Steyn PS, Achilles SL, Bass E, Gray AL, Polis CB, Kiarie JN.Riley HEM, et al. Among authors: steyn ps.Contraception. 2017 Aug;96(2):67-71. doi: 10.1016/j.contraception.2017.05.015. Epub 2017 Jun 7.Contraception. 2017.PMID: 28601676Free PMC article.No abstract available.
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Evidence for Contraceptive Options and HIV Outcomes (ECHO) Trial Consortium.Evidence for Contraceptive Options and HIV Outcomes (ECHO) Trial Consortium.Lancet. 2019 Jul 27;394(10195):303-313. doi: 10.1016/S0140-6736(19)31288-7. Epub 2019 Jun 13.Lancet. 2019.PMID: 31204114Free PMC article.Clinical Trial.