|Slope of risperidone utilisation between the four European countries after generic risperidone became available (month 0)|
aA slope of −0.165 = a drop of 0.165%/month in the utilisation of risperidone as a percenage of all selected atypical antipsychotics following the introduction of generic risperidone.
Godman et al.
Godman et al. BMC Medicine 2014 12:98 doi:10.1186/1741-7015-12-98