title: Nasogastric feeding tubes.
mesh_terms: D001982:Bronchial Diseases / Q000209:etiology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007441:Intubation, Gastrointestinal / Q000009:adverse effects*; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*