共 34 条
- [21] MARSHALL WG, 1983, J THORAC CARDIOV SUR, V85, P902
- [22] MITCHELL RS, 1986, J THORAC CARDIOV SUR, V91, P807
- [27] ROSS DN, 1962, LANCET, V2, P487
- [28] RUTLEDGE R, 1985, ARCH SURG-CHICAGO, V120, P469
- [30] A LIKELIHOOD RATIO STATISTIC TO COMPARE SURVIVAL-TIME IN A SURGICAL TRIAL [J]. CONTROLLED CLINICAL TRIALS, 1981, 2 (01): : 72 - 72