title: Factors complicating the effectiveness of drugs.
mesh_terms: D000368:Aged; D001294:Attitude to Health; D003299:Cooperative Behavior; D003631:Day Care, Medical; D004339:Drug Compounding; D004347:Drug Interactions; D004348:Drug Labeling; D004358:Drug Therapy; D006801:Humans; D004364:Pharmaceutical Preparations / Q000008:administration & dosage; D010817:Physician-Patient Relations; D012931:Social Environment
chemical_list: D004364:Pharmaceutical Preparations