共 23 条
[2]
Cohen J., 1977, STATISTICAL POWER AN, P179, DOI [10.1016/b978-0-12-179060-8.50011-6, DOI 10.1016/B978-0-12-179060-8.50011]
[3]
ISO Y, 1987, GASTROENTEROLOGY, V92, P1449
[8]
KORULA J, 1987, GASTROENTEROLOGY, V92, P1745
[10]
ACUTE ESOPHAGEAL VARICEAL SCLEROTHERAPY - RESULTS OF A PROSPECTIVE RANDOMIZED CONTROLLED TRIAL
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1986, 255 (04)
:497-500