@misc{10435, author = {D. Lloyd and C. Harris and D. Roberts}, title = {Specific therapeutic group age-sex related prescribing units (STAR-PUs): weightings for analysing general practices\textquoteright prescribing in England}, year = {1995}, journal = {Bmj}, volume = {311}, number = {7011}, pages = {991-4}, issn = {0959-8138 (Print) 0959-8138}, }