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	1.	Single dose treatment with H2 receptor antagonists: is bedtime administration too late? [electronic resource] by Merki, H Witzel, L Harre, K Scheurle, E Neumann, J Röhmel, J Producer: 19870709 In: Gut vol. 28 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	The effects of roxatidine acetate on 24-hour intragastric acidity. Investigations in healthy volunteers and comparison with ranitidine and placebo. [electronic resource] by Merki, H S Witzel, L Kaufmann, D Kempf, M Neumann, J Scheurle, E Röhmel, J Walt, R P Producer: 19890214 In: Drugs vol. 35 Suppl 3 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Comparison of ranitidine 300 mg twice daily, 300 mg at night and placebo on 24-hour intragastric acidity of duodenal ulcer patients. [electronic resource] by Merki, H S Witzel, L Walt, R P Neumann, J Scheurle, E Kaufmann, D Mappes, A Heim, J Röhmel, J Producer: 19911211 In: Alimentary pharmacology & therapeutics vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Assessment of intragastric acidity in man: modern aspects, reproducibility of intragastric pH-monitoring, and pharmacodynamic results obtained with H2-receptor antagonists. [electronic resource] by Merki, H S Witzel, L Kaufmann, D Kempf, M Muessig, V Neumann, J Scheurle, E Roehmel, J Walt, R P Producer: 19890405 In: Scandinavian journal of gastroenterology. Supplement vol. 146 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	The effects of roxatidine acetate (HOE-760) on 24-hour intragastric acidity in healthy volunteers: comparison with ranitidine and placebo. [electronic resource] by Merki, H S Witzel, L Kaufmann, D Kempf, M Müssig, V Neumann, J Scheurle, E Röhmel, J Walt, R P Producer: 19911218 In: Alimentary pharmacology & therapeutics vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Double blind comparison of the effects of cimetidine, ranitidine, famotidine, and placebo on intragastric acidity in 30 normal volunteers. [electronic resource] by Merki, H S Witzel, L Walt, R P Neumann, J Scheurle, E Mappes, A Krammisch, H Heim, J Kaufmann, D Roehmel, J Producer: 19880407 In: Gut vol. 29 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)