1. Sisters doing it for themselves;Szarewski, A.;J Fam Plann Reprod Health Care,2009
2. Repeat abortion: facts and issues;Das, S.; Adegbenro, A.; Ray, S.; Amu, O.;J Fam Plann Reprod Health Care,2009
3. Personal communication with Bayer HealthCare. Also see Bayer HealthCare News Release;[Accessed 15 April 2009].
4. Sisters doing it for themselves;A, Reference 1 Szarewski;J Fam Plann Reprod Health Care,2009
5. FFSRH Clinical Consultant and Honorary Senior Lecturer, Cancer Research UK Centre for Epidemiology, Mathematics;Anne Szarewski, PhD;and Editor-in-Chief, Journal of Family Planning and Reproductive Health Care; of Preventive Medicine