Gaber T.J., Dingerkus V.L., Crockett M.J., Bubenzer-Busch S., Helmbold K., Sánchez C.L., Dahmen B., Herpertz-Dahlmann B. and Zepf F.D. 2015. Studying the effects of dietary body weight-adjusted acute tryptophan depletion on punishment-related behavioral inhibition. Food & Nutrition Research. 59, (Aug. 2015). DOI:https://doi.org/10.3402/fnr.v59.28443.