Authors: Lynn Butterly; Christina M Robinson; Joseph C Anderson; Julia E Weiss; Martha Goodrich; Tracy L Onega; Christopher I Amos; Michael L Beach Journal: Am J Gastroenterol Date: 2014-01-07 Impact factor: 10.864
Authors: Douglas A Corley; Christopher D Jensen; Amy R Marks; Wei K Zhao; Jeffrey K Lee; Chyke A Doubeni; Ann G Zauber; Jolanda de Boer; Bruce H Fireman; Joanne E Schottinger; Virginia P Quinn; Nirupa R Ghai; Theodore R Levin; Charles P Quesenberry Journal: N Engl J Med Date: 2014-04-03 Impact factor: 91.245