title: What is in this issue.
mesh_terms: D019072:Antibiotic Prophylaxis; D006801:Humans; D007822:Laryngeal Neoplasms / Q000209:etiology*; D008876:Middle Ear Ventilation; D009364:Neoplasm Recurrence, Local / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects*; D018058:Tympanic Membrane Perforation / Q000628:therapy*