Authors: T Hayakawa; T Kondo; T Shibata; M Kitagawa; H Sobajima; Y Sakai; H Ishiguro; Y Nakae; M Tanikawa; S Naruse Journal: Dig Dis Sci Date: 1993-11 Impact factor: 3.199
Authors: B Glasbrenner; P Malfertheiner; O Pieramico; S Klatt; R Riepl; H Friess; H Ditschuneit Journal: Dig Dis Sci Date: 1993-03 Impact factor: 3.199