共 33 条
[1]
VALUE OF ROUTINE PREOPERATIVE CHEST X-RAYS - A METAANALYSIS
[J].
CANADIAN JOURNAL OF ANAESTHESIA-JOURNAL CANADIEN D ANESTHESIE,
1993, 40 (11)
:1022-1027
[10]
RISK-FACTORS FOR POSTOPERATIVE PNEUMONIA
[J].
AMERICAN JOURNAL OF MEDICINE,
1981, 70 (03)
:677-680