Are placebo-controlled studies required in order to prove efficacy of antidepressants?

Cite this paper

@article{Mller2005ArePS, title={Are placebo-controlled studies required in order to prove efficacy of antidepressants?}, author={Hans-J{\"{u}rgen M{\"{o}ller}, journal={The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry}, year={2005}, volume={6 3}, pages={130-1} }