title: Fee-for-service research on THA: an explanation.
mesh_terms: D000544:Alzheimer Disease / Q000188:drug therapy*; D000609:Aminoacridines / Q000627:therapeutic use*; D004341:Drug Evaluation; D005251:Fees, Medical; D006801:Humans; D013619:Tacrine / Q000627:therapeutic use*; D014481:United States
chemical_list: D000609:Aminoacridines; D013619:Tacrine