Spectrophotometry of haemoglobin: the standard haemiglobin cyanide method and after.
D006452:Hemoglobinometry / Q000379:methods*; D006801:Humans; D007231:Infant, Newborn; D008706:Methemoglobin / Q000031:analogs & derivatives*; D009570:Nitriles; D010100:Oxygen / Q000097:blood; D012015:Reference Standards; D013053:Spectrophotometry
D009570:Nitriles; C018958:hemiglobincyanide; D008706:Methemoglobin; D010100:Oxygen