“…This may involve creation of centralized drug databases, input into creation of local formularies and prescribing policies, and assessment of new drugs, as well as advising on use of medicines for particular patients. Such services have been shown to have a direct and beneficial impact on patient care in providing information on adverse drug effects (Stubbington, Bowey, Hands, & Brown, 1998) but evidence of more general impact is limited (Hands, Stephens, & Brown, 2002; Rutter, Brown, & Rutter, 2004).…”