Rao BVN, Sinha SC, Modi S, Sunita S. Healthy blue man: congenital methemoglobinemia. Int J Res Med Sci [Internet]. 2017 Sep. 28 [cited 2025 Oct. 14];5(10):4632-5. Available from: https://www.msjonline.org/index.php/ijrms/article/view/3761