共 35 条
[1]
ALLAN R, 1976, Q J MED, V45, P533
[3]
ARMITAGE P, 1971, STAT METHODS MED RES, P363
[6]
BERSTAD A, 1982, SCAND J GASTROENTERO, V17, P103
[9]
BROBERG A, 1982, SURG GYNECOL OBSTET, V154, P186
[10]
BUHR HJ, 1978, CHIRURG, V49, P431