Authors: J G Williams; S E Roberts; M F Ali; W Y Cheung; D R Cohen; G Demery; A Edwards; M Greer; M D Hellier; H A Hutchings; B Ip; M F Longo; I T Russell; H A Snooks; J C Williams Journal: Gut Date: 2007-02 Impact factor: 23.059
Authors: D Angersbach; P Knauth; H Loskant; M J Karvonen; K Undeutsch; J Rutenfranz Journal: Int Arch Occup Environ Health Date: 1980-02 Impact factor: 3.015