共 23 条
[1]
A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION
[J].
JOURNAL OF CHRONIC DISEASES,
1987, 40 (05)
:373-383
[6]
Hosmer DW, 1989, APPLIED LOGISTIC REG
[7]
HUNT SM, 1985, J ROY COLL GEN PRACT, V35, P185
[8]
JONSEN AR, 1986, CLIN ETHICS PRACTICA, P52
[9]
KISH L, 1965, SURVEY SAMPLING, P230