Title: Receptors and the upper GI tract
Subjects: Antihistamines, Congresses, Peptic ulcer, Chemotherapy, Gastrointestinal system, Histamine, Receptors, Digestive System, Drug therapy, Histamine Receptors, Gastrointestinal Hormones, Digestive System Physiological Phenomena, Histamine H2 Antagonists, Gastric Parietal Cells, Metabolism, Cell Surface Receptors, Receptors, Histamine H2