共 20 条
[1]
BEELER JW, 1952, AM J ROENTGENOL, V67, P576
[2]
BORAK J, 1943, RADIOLOGY, V41, P170
[3]
BROADBENT TR, 1951, GASTROENTEROLOGY, V17, P163
[4]
Case JT, 1940, AM J ROENTGENOL RADI, V44, P485
[7]
HODES PJ, 1954, RADIOLOGY, V62, P1