J. Anyika, A. Uwaegbute, I. Onimawo, and C. Echendu, “Use of Contraceptives, Menstrual History and Weight Gain among University and Secondary School Adolescents in Abia State, Nigeria”, Pak. J. Nutr., vol. 11, no. 9, pp. 863–867, Aug. 2012, doi: 10.3923/pjn.2012.863.867.