MODERN NURSING, Volume 12, Issue 29,2006, Pages 2776-2777, doi:10.3760/cma.j.issn.1674-2907.2006.29.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 29,2006, Pages 2017-2020, doi:10.3760/j:issn:0376-2491.2006.29.001
CHINESE JOURNAL OF PRACTICAL NURSING, Volume 22, Issue 29,2006, Pages 63, doi:10.3760/cma.j.issn.1672-7088.2006.29.037
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 29,2006, Pages 4745-4749,
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