作者单位：
Research Institute of the McGill University Health Centre, Montreal, QC, Canada
[1]
Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, AB, Canada
[2]
Department of Medicine, McGill University, Montreal, QC, Canada, Research Institute of the McGill
[3]
Division of Gastroenterology, Department of Medicine, McMaster University, Hamilton, ON, Canada
[4]
Department of Medicine, McGill University, Montreal, QC, Canada
[5]
发布时间
2013-11-20
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