Progress in Tryptophan and Serotonin Research 1986David A. Bender, Michael H. Joseph, Walter Kochen, Hans Steinhart · First published 2019Open the Tome
Tryptophan, serotonin, and melatoninGerald Huether, Thomas J. Simat, Walter Kochen, Hans Steinhart · First published 1999Open the Tome
Progress in Tryptophan and Serotonin ResearchWalter Kochen, D. A. Bender, M. H. Joseph, H. Steinhart · First published 1987Open the Tome
