title: Forecasting health services trends: a comment.
mesh_terms: D001291:Attitude of Health Personnel; D003695:Delivery of Health Care / Q000379:methods; D004341:Drug Evaluation; D004470:Economics, Medical; D005069:Evaluation Studies as Topic; D006285:Health Planning; D006801:Humans; D011364:Professional Practice; D013597:Systems Analysis; D013812:Therapeutics; D014481:United States