共 9 条
[1]
Ball RP, 1936, SURG GYNECOL OBSTET, V62, P798
[2]
Ball RP, 1935, RADIOLOGY, V24, P77, DOI [10.1148/24.1.77, DOI 10.1148/24.1.77]
[3]
BALL RP, 1950, MEDICAL PHYSICS, V2
[4]
HOLMQUEST HJ, 1938, RADIOLOGY, V31, P198
[6]
SCHWARZ GS, 1954, AM J ROENTGENOL, V71, P115
[8]
SOGOLOW SR, 1967, OBSTET GYNECOL, V29, P848
[9]
WEINBERG A, 1946, AM J OBSTET GYNECOL, V52, P255