title: [Clinical analysis of 71 cases of nonagenarian].
authors.forename: S Q
authors.initials: SQ
authors.lastname: Liu
authors.forename: C A
authors.initials: CA
authors.lastname: Liu
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003327:Coronary Disease / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D011014:Pneumonia / Q000188:drug therapy*; D012141:Respiratory Tract Infections / Q000188:drug therapy