Tompsett, S L Interference from the presence of other substances in detecting and determining barbiturates in biological material. [electronic resource] - Journal of clinical pathology May 1969 - 291-5 p. digital Publication Type: Journal Article ISSN: 0021-9746 Standard No.: 10.1136/jcp.22.3.291 doi Subjects--Topical Terms: AnticoagulantsBarbiturates--analysisChloroformHydrochloric AcidHydrogen-Ion ConcentrationPhenolsPhenylbutazoneSodium HydroxideSpectrophotometrySulfonamidesUltraviolet RaysXanthines