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Figure 2 Prescription data: Graph showing the number of prescriptions per annum (in Australia) for each of the anticonvulsants (⋄, valproate; 
, carbamazepine; ▴, phenytoin). There are no easily available data for 1991 and the data for 2001 are only available up to October 2001. Thus, numbers for 2001 were multiplied by 12/10 to correct for this.
