Utilisation of selected atypical antipsychotic drugs in Catalonia, Spain, in defined daily doses (DDD) on a quarterly basis from January 2006 to end of September 2011. NB. Generic immediate release (IR) quetiapine became available in Spain from 2008 but generic extended release (ER) quetiapine only became available in September 2011.
Godman et al. BMC Medicine 2014 12:98 doi:10.1186/1741-7015-12-98