Nasreen, K., Ishrat, S., Banu, J., Fatima, P., Ansary, S. A., Jahan, I., Afrin, S., Karim, M. R., & 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), 1303–1309. https://doi.org/10.18203/2320-1770.ijrcog20211104