共 8 条
[1]
BERANBAUM SAMUEL L., 1954, AMER JOUR DIGEST DIS, V21, P185, DOI 10.1007/BF02886388
[2]
HETTLER M, 1965, Med Klin, V60, P488
[3]
Hof J, 1971, Munch Med Wochenschr, V113, P1378
[8]
WELIN S, 1976, DOUBLE CONTRAST EXAM, P12