共 20 条
- [1] ARMITAGE P, 1971, STATISTICAL METHODS
- [4] BROOKE BN, 1952, LANCET, V2, P102
- [5] Brown Y.J., 1913, SURG GYNECOL OBSTET, V16, P610
- [8] KIVEL RM, 1967, LANCET, V2, P632
- [9] LEE E, 1975, ANN ROY COLL SURG, V56, P94
- [10] LEE ECG, 1980, CLIN GASTROENTEROL, V9, P419