EARLY DETECTION OF GASTRIC SECRETORY DEFICIENCY BY TUBELESS ANALYSIS AND CYTOLOGY.
D000126:Achlorhydria; D003585:Cell Biology; D005745:Gastric Acidity Determination; D005751:Gastric Lavage; D005753:Gastric Mucosa; D006801:Humans; D013048:Specimen Handling
ACHLORHYDRIA; CYTOLOGY; GASTRIC ACIDITY DETERMINATION; GASTRIC LAVAGE; GASTRIC MUCOSA; SPECIMEN HANDLING