Authors: Madunil A Niriella; Arjuna P De Silva; Asangi H G K Dayaratne; Madurangi H A D P Ariyasinghe; Metthanandha M N Navarathne; Ranjith S K Peiris; D Nandadeva Samarasekara; Raveendra L Satharasinghe; Sharman Rajindrajith; Anuradha S Dassanayake; A Rajitha Wickramasinghe; H Janaka de Silva Journal: BMC Gastroenterol Date: 2010-03-19 Impact factor: 3.067