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Sarwar S, Alam A, Izhar M, Khan AA, Butt AK, Shafqat F, Malik K, Ahmed I, Niazi AK.Sarwar S, et al. Among authors: khan aa.J Coll Physicians Surg Pak. 2005 Jul;15(7):418-21.J Coll Physicians Surg Pak. 2005.PMID: 16197871
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Shafiq M, Khan AA, Alam A, Butt AK, Shafqat F, Malik K, Amin J, Hassan W.Shafiq M, et al. Among authors: khan aa.J Coll Physicians Surg Pak. 2008 May;18(5):278-81.J Coll Physicians Surg Pak. 2008.PMID: 18541081
Ahmad I, Khan AA, Alam A, Dilshad A, Butt AK, Shafqat F, Malik K, Sarwar S.Ahmad I, et al. Among authors: khan aa.J Coll Physicians Surg Pak. 2008 Nov;18(11):684-7.J Coll Physicians Surg Pak. 2008.PMID: 18983791Clinical Trial.