Mason, L., E. Nyothach, A. M. van Eijk, D. Obor, K. T. Alexander, I. Ngere, K. Laserson, and P. Phillips-Howard. “Comparing Use and Acceptability of Menstrual Cups and Sanitary Pads by Schoolgirls in Rural Western Kenya”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 8, no. 8, July 2019, pp. 2974-82, doi:10.18203/2320-1770.ijrcog20193506.