title: Weightings for analysing general practices' prescribing. Pooling of data from practices was inappropriate.
authors.forename: S J
authors.initials: SJ
authors.lastname: Roberts
mesh_terms: D003625:Data Collection; D011307:Drug Prescriptions / Q000706:statistics & numerical data; D005194:Family Practice / Q000706:statistics & numerical data*; D006801:Humans; D010818:Practice Patterns, Physicians'; D006113:United Kingdom