共 4 条
[2]
HELWIG EB, 1943, SURG GYNECOL OBSTET, V76, P419
[3]
Poppel MH, 1944, AM J ROENTGENOL RADI, V51, P727
[4]
Swinton NW, 1939, J AMER MED ASSOC, V113, P1927