title: Alzheimer's drug trial put on hold.
authors.forename: J L
authors.initials: JL
authors.lastname: Marx
mesh_terms: D000544:Alzheimer Disease / Q000175:diagnosis / Q000188:drug therapy*; D000609:Aminoacridines / Q000009:adverse effects*; D002986:Clinical Trials as Topic; D006801:Humans; D013619:Tacrine / Q000009:adverse effects*
chemical_list: D000609:Aminoacridines; D013619:Tacrine