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
Developments in tryptophan and serotonin metabolismGraziella Allegri, Carlo V.L. Costa, Eugenio Ragazzi, Hans Steinhart, Luigi Laresio · First published 2003Open the Tome
