Omeprazole Therapy Causes Malabsorption of Cyanocobalamin (Vitamin B₁₂)

Rapid Charcoal Assay for Intrinsic Factor (IF), Gastric Juice Unsaturated B12 Binding Capacity, Antibody to IF, and Serum Unsaturated B12 Binding Capacity

Chester W. Gottlieb, Kam‐Seng Lau, Louis R. Wasserman et al. · Blood · 1965 · 740 citations · Full text

Substituted benzimidazoles inhibit gastric acid secretion by blocking (H+ + K+) ATPase

E. Fellenius, T. Berglindh, George Sachs et al. · Nature · 1981 · 623 citations

Biochemistry, Gastrointestinal Pharmacology, Gastric Acid Secretion +6

Twenty‐four‐hour intragastric acidity and plasma gastrin concentration before and during treatment with either ranitidine or omeprazole

S Lanzon-Miller, R E Pounder, Mark Hamilton et al. · Alimentary Pharmacology & Therapeutics · 1987 · 189 citations

Intragastric Acidity, Plasma Gastrin, Gastrointestinal Pharmacology +13

Long-term efficacy and safety of omeprazole in patients with Zollinger-Ellison syndrome: A prospective study

Paul N. Maton, Rakesh Vinayek, Harold Frucht et al. · Gastroenterology · 1989 · 150 citations

Long-term Efficacy, Pharmacology, Gastroenterology +4

Impaired assimilation of egg Co 57 vitamin B 12 in patients with hypochlorhydria and achlorhydria and after gastric resection.

Alfred Doscherholmen, William R. Swaim · PubMed · 1973 · 136 citations