[Clinical analysis of 71 cases of nonagenarian].
Liu
S Q
SQ
Liu
C A
CA
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