Initial Severity and Antidepressant Benefits: A Meta-Analysis of Data Submitted to the Food and Drug Administration
http://medicine.plosjournals.org/perlserv/?request=get-document&doi=10.1371/journal.pmed.0050045
http://www.elpais.com/articulo/sociedad/Prozac/solo/placebo/elpepisoc/20080227elpepisoc_4/Tes