Riley Halley E M, Steyn Petrus S, Achilles Sharon L, Bass Emily, Gray Andrew L, Polis Chelsea B, Kiarie James N
Emory University, Department of Behavioral Sciences and Health Education, 1518 Clifton Road, Atlanta, GA, 30322, USA.
World Health Organization, Human Reproduction Team (HRX), Department of Reproductive Health and Research, Geneva, Switzerland.
Contraception. 2017 Aug;96(2):67-71. doi: 10.1016/j.contraception.2017.05.015. Epub 2017 Jun 7.