Comparison of 50- and 100-g l-tryptophan depletion and loading formulations for altering 5-HT synthesis: pharmacokinetics, side effects, and mood states. - Dougherty, Donald; Marsh-Richard, Dawn; Mathias, Charles; Hood, Ashley; Addicott, Merideth; Moeller, F.; Morgan, Christopher; Badawy, Abdulla (Psychopharmacology, 2008)