The Ethics of Thrombolytic Trials Beyond 3 (or 4.5) Hours: Randomized Controlled Trials Are Required to Change Clinical Practice
Stroke 40:1545, Donnan,G.A. &Davis,S.M., 2009
Use of Placebo Surgery in Controlled Trials of a Cellular-Based Therapy for Parkinson's Disease
NEJM 341:988-992, Freeman,T.B.,et al, 1999
Ethical Use of Placebos and Provocative Testing in Diagnosing Nonepileptic Seizures
Neurol 47:866-870, Devinsky,O.&Fisher,R., 1996