Pneumothorax after insertion of central venous catheters in the intensive care unit: association with month of year and week of month

BMJ - Tập 16 Số 4 - Trang 252-255 - 2007
Najib Ayas1,2,3,4, Monica Norena5, Hubert Wong5, Dean R. Chittock1,6,2, Peter Dodek2
1Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
2Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
3Program in Critical Care Medicine, Providence Health Care, Vancouver, British Columbia, Canada
4Respiratory Division, Vancouver General Hospital, Vancouver, British Columbia, Canada
5Center for Health Evaluation and Outcome Sciences, Vancouver, British Columbia, Canada
6Critical Care Medicine, Vancouver General Hospital, Vancouver, British Columbia, Canada

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