@article{article, title  = {{A novel placebo-controlled clinical study design without ethical concerns - The free choice paradigm}},

 url = {{}},

 year = {{2012}},

 month = {{1}},

 author = {{Enck P and Klosterhalfen S and Grundy D}},

 doi = {{10.1016/j.mehy.2012.09.017}},

 journal = {{Medical Hypotheses}},

 note = {{Accessed on 2024/12/22}}}