Authors: F E Silverstein; G Faich; J L Goldstein; L S Simon; T Pincus; A Whelton; R Makuch; G Eisen; N M Agrawal; W F Stenson; A M Burr; W W Zhao; J D Kent; J B Lefkowith; K M Verburg; G S Geis Journal: JAMA Date: 2000-09-13 Impact factor: 56.272
Authors: Ihab I El Hajj; Shahid M Malik; Hany R Alwakeel; Obaid S Shaikh; Eizaburo Sasatomi; Hossam M Kandil Journal: World J Gastroenterol Date: 2009-08-21 Impact factor: 5.742