1. Are new drugs for schizophrenia better than old ones? – Authors' reply
Stefan Leucht, Werner Kissling, Rolf R Engel, John M Davis 
The Lancet 
Volume 373, Issue 9671, Pages (April 2009)
DOI: /S (09)
Copyright © 2009 Elsevier Ltd Terms and Conditions

2. Figure
Second-generation antipsychotics (SGA) versus first-generation antipsychotics (FGA) in participants with predominant negative symptoms
The Lancet  , DOI: ( /S (09) )
Copyright © 2009 Elsevier Ltd Terms and Conditions