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Esophageal intramural pseudodiverticulosisvan der Putten, A. B. M. M.; Loffeld, R. J. L. F. · Diseases of the Esophagus · 1997
Colorectal cancer and adenomas are rare in individuals of Turkish descent living in the Zaanstreek region in the NetherlandsS. M. L. A. Loffeld; R. J. L. F. Loffeld · 2010
Functional Dyspepsia is Associated with <i>cagA</i> -positive <i>Helicobacter pylori</i> StrainsR. J. L. F. Loffeld, B. F. M. Werdm, · Scandinavian Journal of Gastroenterology · 2001
Nonulcer Dyspepsia and Helicobacter pylori: Causal or Coincidental?Loffeld, R. J. L. F. · Archives of Internal Medicine · 1995
Colonoscopy-controlled intra-individual comparisons to screen relevant neoplasia: faecal immunochemical test vs. guaiac-based faecal occult blood testF. A. OORT; J. S. TERHAAR SIVE DROSTE; R. W. M. VAN DER HULST; H. A. VAN HEUKELEM; R. J. L. F. LOFFELD; I. C. E. WESDORP; R. L. J. VAN WANROOIJ; L. DE BAAIJ; E. R. MUTSAERS; S. VAN DER REIJT; V. M. H. COUPE; J. BERKHOF; A. A. BOUMAN; G. A. MEIJER; C. J. J. MULDER · 2010
Endoscopic follow-up after surgery for colorectal cancerLoffeld, R. J. L. F. · International Journal of Colorectal Disease · 2015
The prevalence of Helicobacter pylori serum antibodies in children with recurrent abdominal painS. B. van der Meer; P. P. Forget; R. J. L. F. Loffeld; E. Stobberingh; R. H. Kuijten; J. W. Arends · 1992