Methemoglobinemia from overdose of nitroglycerin.
D000368:Aged; D042966:Cytochrome-B(5) Reductase / Q000172:deficiency; D006801:Humans; D008297:Male; D008708:Methemoglobinemia / Q000139:chemically induced*; D005996:Nitroglycerin / Q000506:poisoning*
D042966:Cytochrome-B(5) Reductase; D005996:Nitroglycerin