共 16 条
- [1] [Anonymous], 1904, Med News
- [2] BANISKY S, 1994, BALTIMORE SUN 0511, pA1
- [4] A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION [J]. JOURNAL OF CHRONIC DISEASES, 1987, 40 (05): : 373 - 383
- [5] COLLINS GF, 1978, J MED EDUC, V53, P429
- [6] KAUFMAN MR, 1956, J MT SINAI HOSP, V23, P782
- [8] REICHSMAN F, 1964, J Med Educ, V39, P147
- [9] Romano J, 1941, JAMA-J AM MED ASSOC, V117, P664
- [10] *SAS I, 1996, STAT AN SYST