Kuypers, K. ., de la Torre, R. ., Farre, M. ., Xicota, L. ., Perna, E. de S. F., Theunissen, E. ., & Ramaekers, J. . (2018). Depressive mood ratings are reduced by MDMA in female polydrug ecstasy users homozygous for the l-allele of the serotonin transporter. Scientific Reports, 8(1), 1061. https://doi.org/10.1038/s41598-018-19618-1 (Original work published 2018)