Authors: A J Wakefield; A M Sawyerr; A P Dhillon; R M Pittilo; P M Rowles; A A Lewis; R E Pounder Journal: Lancet Date: 1989-11-04 Impact factor: 79.321
Authors: P Bonniere; B Wallaert; A Cortot; X Marchandise; Y Riou; A B Tonnel; J F Colombel; C Voisin; J C Paris Journal: Gut Date: 1986-08 Impact factor: 23.059