|
|||||
|
|
Socioeconomic status and surgical mortality in the elderly |
|
| Authors: | Birkmeyer Nancy J O Gu Niya Baser Onur Morris Arden M Birkmeyer John D |
| Institution: | Department of Surgery, Michigan Surgical Collaborative for Outcomes Research and Evaluation, University of Michigan, Ann Arbor, Michigan, USA. nbirkmey@umich.edu |
| Abstract: | |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ | |