1. Factors influencing the availability of tryptophan to newborn infants;Allegri,1987
2. Progress of premature infants fed a formula containing demineralized whey;Barness;Pediatrics,1963
3. Monitoring of tryptophan levels in biological fluids by HPLC: an improved method;Bettero,1984
4. Tryptophan characterization by synchronous scanning spectrometry;Bettero,1987
5. Rapid measurement of tryptophan, 5-hydroxytryptophan, serotonin and 5-hydroxyindoleacetic acid in human CSF by selective fluorescence and HPLC;Costa;Gior. It. Chim. Clin.,1987