title: The Groningen button: results of in vivo measurements.
mesh_terms: D002177:Candidiasis / Q000150:complications; D006801:Humans; D007825:Laryngectomy / Q000534:rehabilitation; D007831:Larynx, Artificial; D010699:Phonation; D011312:Pressure; D013072:Speech, Esophageal; D014132:Trachea