Title	Health-related quality of life as an outcome in research
Author(s)	HJ Bovenschen, LGM van Rossum, MGH van Oijen, RJF Laheij and PFM Krabbe
Publication	Drug Benefit Trends 2004; 16:544-56
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Title	Association with aspirin use with vitamin B12 deficiency (Results of the BACH study)
Author(s)	MGH van Oijen, RJF Laheij, WHM Peters, JBMJ Jansen and FWA Verheugt
Publication	American Journal of Cardiology 2004; 94:975-7
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Title	Vitamin B12 status and its association with Helicobacter pylori infection in alcohol dependent patients
Author(s)	MGH van Oijen, RJF Laheij, CAJ de Jong, WHM Peters and JBMJ Jansen
Publication	Journal of Nutritional Science and Vitaminology 2004; 50:305-8
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Title	Gastrointestinal Symptoms and Ethanol Metabolism in Alcoholics
Author(s)	RJF Laheij, M Verlaan, MGH van Oijen, MS de Doelder, CAJ de Jong and JBMJ Jansen
Publication	Digestive Diseases and Sciences 2004; 49:1007-11
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