title: [A useful semiologic sign as evidence of free air in the abdomen].
mesh_terms: D001314:Auscultation; D005740:Gases; D006801:Humans; D008297:Male; D008875:Middle Aged; D010474:Percussion; D010529:Peritoneal Cavity
chemical_list: D005740:Gases
vernacular_title: Un utile segno semeiologico per evidenziare gas libero in addome.