1. Methemoglobinemia and sulfhemoglobinemia;Beutler,1977
2. Congenital methemoglobinemia due to DPNH-diaphorase deficiency;Scott,1968
3. Phenazopyridine hydrochloride toxicity: a cause of drug-induced methemoglobinemia;Green;JACEP,1979
4. Methemoglobinemia and other disorders usually accompanied by cyanosis,1974
5. Poisoning;Arena,1963