共 13 条
[3]
DENORTH JOO, 1979, STANDARD BIPHASIC CO, P39
[6]
LAUFER I, 1975, GASTROENTEROLOGY, V68, P387
[7]
MARGULIS AR, 1969, RADIOL CLIN N AM, V7, P27
[10]
RIEDER H, 1904, MUNCHEN MED WOCHEN, V51, P1548