TY - RPRT TI - Tryptophan, mood, and cognitive function. AU - Wim J Riedel AU - Tineke Klaassen AU - Jeroen A J Schmitt PY - 2002 DO - 10.1016/s0889-1591(02)00013-2 UR - https://pubmed.ncbi.nlm.nih.gov/12401472/ ID - 12401472 ER -