Article Citation
Grassini M, Verna C, Niola P, Navino M, Battaglia E, Bassotti G. Appropriateness of colonoscopy: Diagnostic yield and safety in guidelines. World J Gastroenterol 2007; 13(12): 1816-1819 [PMID: 17465472 DOI: 10.3748/wjg.v13.i12.1816]
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