title: The assessment of gastric acidity and appraisal of its clinical value.
mesh_terms: D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis / Q000378:metabolism; D005753:Gastric Mucosa / Q000503:physiopathology; D005755:Gastrins / Q000032:analysis; D005756:Gastritis / Q000175:diagnosis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006984:Hypertrophy / Q000175:diagnosis; D007441:Intubation, Gastrointestinal; D013274:Stomach Neoplasms / Q000175:diagnosis*
chemical_list: D005755:Gastrins