Non-linearity of Parkinson's disease progression: implications for sample size calculations in clinical trials.
Guimaraes P; Kieburtz K; Goetz CG; Elm JJ; Palesch YY; Huang P; Ravina B; Tanner CM; Tilley BC; Clinical Trials (London, England), 2005, vol. 2, issue 6, p 509, ISSN 17407745. ISBN 17407745.

Full Text Resources Located for this Citation

View article on EBSCOhost(Login required)
View article via CrossRef