Laforge, M Ferrocyanide ingestion may cause false positives in cyanide determination. [electronic resource] - Journal of toxicology. Clinical toxicology 1999 - 337-40 p. digital Publication Type: Case Reports; Journal Article ISSN: 0731-3810 Standard No.: 10.1081/clt-100102432 doi Subjects--Topical Terms: AdultColorimetryCyanides--bloodFalse Positive ReactionsFerric Compounds--bloodFerrocyanides--administration & dosageFerrous Compounds--bloodHumansMale