共 9 条
[2]
Andersen TF, 1999, DAN MED BULL, V46, P263
[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
[6]
Heden Katrine Edith Klith, 2009, Clin Epidemiol, V1, P7
[8]
Pedersen CB, 2006, DAN MED BULL, V53, P441
[9]
Sorensen HT, 2007, LANCET, V370, P1773, DOI 10.1016/S0140-6736(07)61745-0