title: [On the technic of tryptophan-perchloric acid reaction].
mesh_terms: D006801:Humans; D008403:Mass Screening; D009369:Neoplasms / Q000175:diagnosis; D010472:Perchlorates; D014364:Tryptophan
chemical_list: D010472:Perchlorates; D014364:Tryptophan
vernacular_title: Zur Technik der Tryptophan-Perchlorsäure-Reaktion.