COPPEN, A Potentiation of the antidepressive effect of a monoamine-oxidase inhibitor by tryptophan. [electronic resource] - Lancet (London, England) Jan 1963 - 79-81 p. digital Publication Type: Journal Article ISSN: 0140-6736 Standard No.: 10.1016/s0140-6736(63)91084-5 doi Subjects--Topical Terms: Antidepressive AgentsHumansMonoamine Oxidase InhibitorsOxidoreductasesThiamineTranylcypromineTryptophan