Chirila C, Earnshaw SR, Black L, McDade CL, Roskell NS, Shannon PR, Montorsi F, Andriole GL. Economic analysis: randomized, placebo-controlled clinical trial of dutasteride in men at high risk for prostate cancer. J Cancer Sci Ther. 2011;S3(004). doi: 10.4172/1948-5956.S3-004
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.