TY - STAND AU - D. Lloyd AU - C. Harris AU - D. Roberts BT - Bmj M1 - 7011 PY - 1995 SP - 991 EP - 4 T2 - Bmj TI - Specific therapeutic group age-sex related prescribing units (STAR-PUs): weightings for analysing general practices\textquoteright prescribing in England VL - 311 SN - 0959-8138 (Print) 0959-8138 ER -