共 10 条
[1]
ARMITAGE P, 1971, STATISTICAL METHODS
[2]
BARONOFSKY ID, 1950, SURGERY, V27, P664
[5]
GERBER A, 1962, SURG GYNECOL OBSTET, V115, P593
[7]
GREGG RO, 1955, SURGERY, V17, P754
[8]
MCSHERRY CK, 1969, ARCH SURG-CHICAGO, V98, P749
[9]
SAVAGE PT, 1966, P ROYAL SOC MED, V60, P207