共 9 条
[1]
BENJAMIN CI, 1976, SURG GYNECOL OBSTET, V142, P171
[5]
OLSEN WR, 1977, ARCH SURG-CHICAGO, V112, P422
[6]
PEARL RH, 1908, J PEDIATR SURG, V24, P428
[7]
Perry J F Jr, 1988, Curr Probl Surg, V25, P749
[9]
1987, LANCET, V2, P777