Effect and cost-effectiveness of step-up versus step-down treatment with antacids, H2 -receptor antagonists, and proton pump inhibitors in patients with new onset dyspepsia (DIAMON... von van Marrewijk, Corine J, MSc, Mujakovic, Suhreta, PhD, Fransen, Gerdine AJ, PhD, Numans, Mattijs E, MD, de Wit, Niek J, MD, Muris, Jean WM, MD, van Oijen, Martijn GH, MSc, Jansen, Jan BMJ, Prof, Grobbee, Diederik E, Prof, Knottnerus, J André, Prof, Laheij, Robert JF, MD

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Pragmatic trials in primary care. Methodological challenges and solutions demonstrated by the DIAMOND-study von Fransen, Gerdine A J, van Marrewijk, Corine J, Mujakovic, Suhreta, Muris, Jean W M, Laheij, Robert J F, Numans, Mattijs E, de Wit, Niek J, Samsom, Melvin, Jansen, Jan B M J, Knottnerus, J André

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Short mucin 6 alleles are associated with H pylori infection von Nguyen, Thai V, Janssen, Jr, Marcel, Gritters, Paulien, te Morsche, René H M, Drenth, Joost P H, van Asten, Henri, Laheij, Robert J F, Jansen, Jan B M J

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Serotonin receptor 3A polymorphism c.-42C > T is associated with severe dyspepsia von Mujakovic, Suhreta, ter Linde, José Jm, de Wit, Niek J, van Marrewijk, Corine J, Fransen, Gerdine Aj, Onland-Moret, N Charlotte, Laheij, Robert Jf, Muris, Jean Wm, Grobbee, Diederick E, Samsom, Melvin, Jansen, Jan Bmj, Knottnerus, André, Numans, Mattijs E

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Risk of Community-Acquired Pneumonia and Use of Gastric Acid–Suppressive Drugs von Laheij, Robert J. F, Sturkenboom, Miriam C. J. M, Hassing, Robert-Jan, Dieleman, Jeanne, Stricker, Bruno H. C, Jansen, Jan B. M. J

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Similar fecal immunochemical test results in screening and referral colorectal cancer von van Turenhout, Sietze T, van Rossum, Leo G M, Oort, Frank A, Laheij, Robert J F, van Rijn, Anne F, Terhaar sive Droste, Jochim S, Fockens, Paul, van der Hulst, René W M, Bouman, Anneke A, Jansen, Jan B M J, Meijer, Gerrit A, Dekker, Evelien, Mulder, Chris J J

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Effect and cost-effectiveness of step-up versus step-down treatment with antacids, H 2-receptor antagonists, and proton pump inhibitors in patients with new onset dyspepsia (DIAMON... von van Marrewijk, Corine J, Mujakovic, Suhreta, Fransen, Gerdine AJ, Numans, Mattijs E, de Wit, Niek J, Muris, Jean WM, van Oijen, Martijn GH, Jansen, Jan BMJ, Grobbee, Diederik E, Knottnerus, J André, Laheij, Robert JF

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Antidepressants and gastrointestinal symptoms in the general Dutch adult population von Schurink, Bernadette, Tielemans, Merel M, Aaldering, Bryan R R Z, Eikendal, Ties, Focks, Jeroen Jaspers, Laheij, Robert J F, Jansen, Jan B M J, van Rossum, Leo G M, van Oijen, Martijn G H

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What Determines and Are the Consequences of Surveillance Intensity after Endovascular Abdominal Aortic Aneurysm Repair? von Leurs, Lina J., Laheij, Robert J.F., Buth, Jaap

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Prognostic Value of Free Plasma Homocysteine Levels in Patients Hospitalized With Acute Coronary Syndrome von van Oijen, Martijn G.H., MSc, Claessen, Bimmer E.P.M., MD, Clappers, Nick, MD, van Schaik, Annie, BSc, Laheij, Robert J.F., MD, PhD, Jansen, Jan B.M.J., MD, PhD, Peters, Wilbert H.M., PhD, Verheugt, Freek W.A., MD, PhD

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Polymorphisms in genes encoding acetylsalicylic acid metabolizing enzymes are unrelated to upper gastrointestinal health in cardiovascular patients on acetylsalicylic acid von Van Oijen, Martijn G. H., Huybers, Sylvie, Peters, Wilbert H. M., Drenth, Joost P. H., Laheij, Robert J. F., Verheugt, Freek W. A., Jansen, Jan B. M. J.

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Gastric status and vitamin B12 levels in cardiovascular patients von VAN OIJEN, Martijn G. H, SIPPONEN, Pentti, LAHEIJ, Robert J. F, VERHEUGT, Freek W. A, JANSEN, Jan B. M. J

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Gastrointestinal Symptoms are Still Prevalent and Negatively Impact Health-Related Quality of Life: A Large Cross-Sectional Population Based Study in The Netherlands. e69876 von Tielemans, Merel M, Focks, Jeroen Jaspers, Rossum, G Mvan, Eikendal, Ties, Jansen, B MJ, Laheij, Robert JF, Oijen, G Hvan

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Open-Access Upper Gastrointestinal Endoscopy a Decade after the Introduction of Proton Pump Inhibitors and Helicobacter pylori Eradication: A Shift in Endoscopic Findings von van Kerkhoven, Lieke A.S., van Rijswijck, Sally J., van Rossum, Leo G.M., Laheij, Robert J.F., Witteman, Ellen M., Tan, Adriaan C.I.T.L., Jansen, Jan B.M.J.

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Dynamics of Peripheral Blood Lymphocyte Subpopulations in the Acute and Subacute Phase of Legionnaires Disease. e62265 von Jager, P Cde, Gemen, Eugenie FA, Leuvenink, Jacqueline, Hilbink, Mirrian, Laheij, Robert JF, Poll, Tom vander, Wever, Peter C

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Long-term follow-up of empirical treatment or prompt endoscopy for patients with persistent dyspeptic symptoms? von Laheij, Robert JF, van Rossum, Leo GM, Heinen, Nadia, Jansen, Jan BMJ

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Functional polymorphisms of UDP-glucuronosyltransferases 1A1, 1A6 and 1A8 are not involved in chronic pancreatitis von VERLAAN, Mariette, TE MORSCHE, René H. M, PAP, Akos, LAHEIJ, Robert J. F, JANSEN, Jan B. M. J, PETERS, Wilbert H. M, DRENTH, Joost P. H

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