共 52 条
- [41] SCHACHNER A, 1976, ARCH SURG-CHICAGO, V111, P1197
- [43] SHELDON WC, 1973, CIRCULATION S3, V47, P184
- [44] Snedecor G.W., 1980, STAT METHODS
- [46] STEMMER EA, 1973, J THORAC CARDIOV SUR, V66, P754
- [47] STEMMER EA, 1975, J THORAC CARDIOV SUR, V70, P666
- [49] TYERS GFO, 1974, J THORAC CARDIOV SUR, V67, P411
- [50] ULLYOT DJ, 1977, J THORAC CARDIOV SUR, V73, P165