共 11 条
[1]
BROWN JA, 1948, CAN MED ASSOC J, V58, P181
[5]
MILLER NF, 1947, AM J OBSTET GYNECOL, V54, P543
[6]
PALMER JP, 1949, SURG GYNECOL OBSTET, V88, P435
[7]
PARKS J, 1948, AM J OBSTET GYNECOL, V55, P117
[8]
SMITH FR, 1947, SURG GYNECOL OBSTET, V84, P78
[9]
SWIFT BH, 1932, M J AUSTR, V2, P541