ALLGEN, L G Fluorometric determination of tryptamine in urine with the Zeiss ultraviolet spectrophotometer-fluorometer. [electronic resource] - Scandinavian journal of clinical and laboratory investigation 1961 - 390-5 p. digital Publication Type: Journal Article ISSN: 0036-5513 Subjects--Topical Terms: FluorometryHumansSpectrophotometryTryptamines