Pharmacy sources of drug information.
D001291:Attitude of Health Personnel; D004346:Drug Information Services / Q000706:statistics & numerical data*; D005572:Formularies, Hospital as Topic; D007255:Information Services / Q000706:statistics & numerical data*; D009657:North Carolina; D010595:Pharmacists; D010602:Pharmacopoeias as Topic; D010607:Pharmacy Service, Hospital; D010820:Physicians