title: Directory of Otolaryngologic Societies.
mesh_terms: D001208:Asia; D001315:Australia; D002170:Canada; D002489:Central America; D004181:Directories as Topic; D005060:Europe; D010036:Otolaryngology; D011647:Puerto Rico; D012955:Societies, Medical; D013019:South Africa; D013020:South America; D014481:United States