Nasreen, K., Ishrat, S., Banu, J., Fatima, P., Ansary, S.A., Jahan, I., Afrin, S., Karim, M.R. and Islam, M.K. 2021. Comparison of vitamin D (25OHD) status between fertile and infertile men. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 10, 4 (Mar. 2021), 1303–1309. DOI:https://doi.org/10.18203/2320-1770.ijrcog20211104.