title: Diagnosis of gastro-oesophageal reflux in infants and children by methylene-blue test.
mesh_terms: D001466:Barium Sulfate; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D005764:Gastroesophageal Reflux / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D008751:Methylene Blue; D011859:Radiography; D014965:X-Rays
chemical_list: D001466:Barium Sulfate; D008751:Methylene Blue