The influence of human and data retrieval resources on the patterns of use of drug information.
D003201:Computers; D004346:Drug Information Services / Q000458:organization & administration*; D006746:Hospital Bed Capacity, 500 and over; D006747:Hospital Communication Systems; D007255:Information Services / Q000458:organization & administration*; D007256:Information Systems / Q000706:statistics & numerical data*; D007992:Libraries, Hospital; D009820:Ohio; D011039:Poison Control Centers; D013690:Television