K. Harre

Pattern of 24 hour intragastric acidity in active duodenal ulcer disease and in healthy controls.

L. Witzel, H. Merki, R. Walt, 1988, Gut.

Single dose treatment with H2 receptor antagonists: is bedtime administration too late?

L. Witzel, H. Merki, J. Neumann, 1987, Gut.

Early evening ranitidine administration promotes faster duodenal ulcer healing.

L. Witzel, M. Panijel, H. Merki, 1988, The American journal of gastroenterology.

Day-to-day variation of 24-hour intragastric acidity.

L. Witzel, A. Mappes, H. Merki, 1988, Gastroenterology.

Sleep-Disordered Breathing and Nocturnal Hypoxemia in Precapillary Pulmonary Hypertension: Prevalence, Pathophysiological Determinants, and Clinical Consequences

M. Emdin, M. Naughton, W. Randerath, 2021, Respiration.

Response to the Letter: Sleep-Disordered Breathing in Precapillary Pulmonary Hypertension: Is the Prevalence So High? Reference Article: Sleep-Disordered Breathing and Nocturnal Hypoxemia in Precapillary Pulmonary Hypertension: Prevalence, Pathophysiological Determinants and Clinical Consequences by

M. Emdin, W. Randerath, A. Florian, 2021, Respiration.