Feltner D, Hill C, Lenderking W, Williams VS, Morlock R. Development of a patient-reported assessment to identify placebo responders in a generalized anxiety disorder trial. J Psychiatr Res. 2009 Oct;43(15):1224-30.
Morlock RJ, Williams VS, Cappelleri JC, Harness J, Fehnel SE, Endicott J, Feltner D. Development and evaluation of the Daily Assessment of Symptoms – Anxiety (DAS-A) Scale to evaluate onset of symptom relief in patients with generalized anxiety disorder. J Psychiatr Res. 2008 Oct;42(12):1024-36.
Melendez J, Galli I, Boric K, Ortega A, Zuniga L, Henriquez-Roldan CF, Cardenas AM. Zolpidem and triazolam do not affect the nocturnal sleep-induced memory improvement. Psychopharmacology (Berl). 2005 Aug;181(1):21-6. doi: 10.1007/s00213-005-2228-0
Dykstra LA, Granger AL, Allen RM, Zhang X, Rice KC. Antinociceptive effects of the selective delta opioid agonist SNC80 alone and in combination with mu opioids in the squirrel monkey titration procedure. Psychopharmacology (Berl). 2002 Oct 1;163(3-4):420-9.