Kushawaha, R., Sinkar, P., Iyer, S., Velumani, A. and K, K. 2019. Vitamin D study: a retrospective comparison between two tropical countries: India and Bahrain. International Journal Of Community Medicine And Public Health. 6, 6 (May 2019), 2610–2614. DOI:https://doi.org/10.18203/2394-6040.ijcmph20192332.