共 22 条
[5]
Laparoscopic robotic-assisted pancreaticoduodenectomy: a case-matched comparison with open resection
[J].
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES,
2012, 26 (09)
:2397-2402
[6]
VALIDATION OF A COMBINED COMORBIDITY INDEX
[J].
JOURNAL OF CLINICAL EPIDEMIOLOGY,
1994, 47 (11)
:1245-1251
[7]
A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION
[J].
JOURNAL OF CHRONIC DISEASES,
1987, 40 (05)
:373-383
[8]
EDGE SB, 2010, AM JOINT COMMITTEE C, P9