Theresa Winhusen

A placebo-controlled screening trial of tiagabine, sertraline and donepezil as cocaine dependence treatments.

D. Bloch, J. Harrer, B. Singal, 2005, Addiction.

Metyrapone and cocaine: A double-blind, placebo-controlled drug interaction study

J. Harrer, B. Singal, T. Winhusen, 2005, Pharmacology Biochemistry and Behavior.