Thorne J G, James P D, Reid R L
Contraception Advice Research and Education (CARE), Department of Obstetrics and Gynecology, Queens University, Kingston, Ontario, Canada, K7L2V7.
Department of Medicine, Division of Hematology, Queens University, Kingston, Ontario, Canada, K7L2V7.
Contraception. 2018 Jul;98(1):1-3. doi: 10.1016/j.contraception.2018.02.008. Epub 2018 Mar 26.