Physician prescribing rates climb.
D002908:Chronic Disease / Q000188:drug therapy; D015897:Comorbidity; D011307:Drug Prescriptions / Q000706:statistics & numerical data; D004363:Drug Utilization / Q000706:statistics & numerical data* / Q000639:trends; D019538:Health Care Surveys; D006801:Humans; D008511:Medicine / Q000706:statistics & numerical data*; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data* / Q000639:trends; D013038:Specialization; D014481:United States