The resistance to depressive relapse in menopausal women undergoing tryptophan depletion: preliminary findings.
Epperson CN, Amin Z, Naftolin F, Cappiello A, Czarkowski KA, Stiklus S, Anderson GM, Krystal JH. The resistance to depressive relapse in menopausal women undergoing tryptophan depletion: preliminary findings. J Psychopharmacol. 2007 Jun; 21(4):414-20.