共 23 条
- [2] BARRY AL, 1970, AM J CLIN PATHOL, V53, P149
- [3] BERRY FA, 1973, ANESTH ANALG, V52, P873
- [4] BRICK IB, 1973, GERIATRICS, V28, P104
- [6] Das P, 1972, Indian J Chest Dis, V14, P191
- [7] Enat R, 1972, Gastrointest Endosc, V18, P167, DOI 10.1016/S0016-5107(72)74068-7
- [8] GREENE WH, 1973, CLINICAL RESEARCH, V21, P975
- [9] Katz D, 1972, Gastrointest Endosc, V19, P72, DOI 10.1016/S0016-5107(72)73957-7