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6. Tryptophan metabolic studies in patients with presenile cataracts. Grimm U, Knapp A, Seidlitz G, Franke G, Mellenthin R. Biomed Biochim Acta; 1990 Apr; 49(7):629-31. PubMed ID: 2282069 [Abstract] [Full Text] [Related]
7. [Studies on tryptophan metabolism in oligophrenic children. 1. Results on the excretion of kynurenic acid and xanthurenic acid following administration of tryptophan and their dependence on vitamin B 6 supply]. Schulz M, Grimm U, Schmitz W, Knapp A. Psychiatr Neurol Med Psychol (Leipz); 1973 Feb; 25(2):98-106. PubMed ID: 4713451 [No Abstract] [Full Text] [Related]
19. [Congenital cystathioninuria. B6-dependent]. Bravo Mata M, Escribano Rey MD, Alonso Martín A, Alonso Fernández JR. An Esp Pediatr; 1993 Sep 11; 39(3):260-4. PubMed ID: 8250445 [No Abstract] [Full Text] [Related]