Rao, B.V.N., Sinha, S.C., Modi, S. and Sunita, S. 2017. Healthy blue man: congenital methemoglobinemia. International Journal of Research in Medical Sciences. 5, 10 (Sep. 2017), 4632–4635. DOI:https://doi.org/10.18203/2320-6012.ijrms20174610.