共 19 条
[1]
ACS-NSQIP, US GUID 2010 PART US
[2]
Anderson Kane L, 2009, Am J Orthop (Belle Mead NJ), V38, P606
[4]
Brown T, 2012, NY TIMES
[5]
A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION
[J].
JOURNAL OF CHRONIC DISEASES,
1987, 40 (05)
:373-383