Increased Fecal Serotonin After Gastric Bypass Is Unrelated To Tryptophan Intake. (April 2023) - Prudencio, A.P.; Fonseca, D.C.; Cardinelli, C.; Machado, N.M.; Ferreira, B.; Sala, P.; Alves, J.T.; Torrinhas, R.S.; Waitzberg, D.L.; ,