Boehm, I., Hennig, J., Ritschel, F., Geisler, D., King, J., Lesch, I., … Ehrlich, S. (1969). Acute tryptophan depletion balances altered resting-state functional connectivity of the salience network in female patients recovered from anorexia nervosa. Journal of Psychiatry & Neuroscience : JPN, 47(5), E351-E358. https://doi.org/10.1503/jpn.210161 (Original work published 1969)