Sorisky, A Positive diphenhydramine interference in the EMIT-st assay for tricyclic antidepressants in serum. [electronic resource] - Clinical chemistry Apr 1986 - 715 p. digital Publication Type: Letter ISSN: 0009-9147 Subjects--Topical Terms: AdultAntidepressive Agents, Tricyclic--bloodDiphenhydramine--bloodFalse Positive ReactionsFemaleHumansImmunoenzyme Techniques