共 12 条
[1]
THE ELDERLY SURGICAL PATIENT - AN ANALYSIS OF 500 CONSECUTIVE CASES OF PATIENTS 60 YEARS OF AGE OR OLDER
[J].
AMA ARCHIVES OF SURGERY,
1952, 64 (03)
:269-277
[5]
CUTLER CW, 1950, NEW YORK STATE J MED, V50, P541
[9]
SHARPEYSCHAFER EP, 1945, LANCET, V2, P296
[10]
SNEDECOR GW, 1950, STATISTICAL METHODS