Yüksel, D., Senbil, N., Yilmaz, D., Yarali, N., & Gürer, Y. K. Y. (2009). A rare cause of mental motor retardation: recessive congenital methemoglobinemia type II. The Turkish Journal of Pediatrics, 51(2), 187-189. https://turkjpediatr.org/article/view/2285