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Perwaiz A, Singh A, Chaudhary A.Perwaiz A, et al. Among authors: singh a.Indian J Surg. 2012 Feb;74(1):47-54. doi: 10.1007/s12262-011-0374-7. Epub 2011 Dec 20.Indian J Surg. 2012.PMID: 23372307Free PMC article.
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Singh A, Perwaiz A, Singhal D, Chaudhary A.Singh A, et al.Trop Gastroenterol. 2009 Jul-Sep;30(3):148-9.Trop Gastroenterol. 2009.PMID: 20306744No abstract available.