Frank Y. Hsieh

Sample-size calculations for the Cox proportional hazards regression model with nonbinary covariates.

P W Lavori, P. Lavori, F. Hsieh, 2000, Controlled clinical trials.

Utility of psychophysiological measurement in the diagnosis of posttraumatic stress disorder: results from a Department of Veterans Affairs Cooperative Study.

P W Lavori, P. Lavori, E. Blanchard, 1998, Journal of consulting and clinical psychology.

Randomized trial of trauma-focused group therapy for posttraumatic stress disorder: results from a department of veterans affairs cooperative study.

P. Schnurr, P. Lavori, M. Shea, 2003, Archives of general psychiatry.

Design of Department of Veterans Affairs Cooperative Study no. 420: group treatment of posttraumatic stress disorder.

P. Schnurr, P. Lavori, P. Lavori, 2001, Controlled clinical trials.

An Overview of Variance Inflation Factors for Sample-Size Calculation

Harvey J Cohen, Philip W Lavori, H. Cohen, 2003, Evaluation & the health professions.

Using Telemedicine Tools for the Administration of a Multi-site Clinical Trial

Matthew J. Friedman, B. Hudnall Stamm, Joseph M. Rudolph, 1998 .