Tubeless gastric analysis with azure A and maximal histamine stimulation.
D001399:Azure Stains; D005745:Gastric Acidity Determination; D005766:Gastrointestinal Contents; D006632:Histamine; D006801:Humans
D001399:Azure Stains; D006632:Histamine; C025818:Azure A
GASTRIC ACIDITY DETERMINATION