Infections of the head and neck.
D000038:Abscess / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D002481:Cellulitis / Q000209:etiology*; D002648:Child; D006801:Humans; D008158:Ludwig's Angina / Q000150:complications; D009333:Neck; D010482:Periapical Abscess / Q000150:complications; D000039:Peritonsillar Abscess / Q000150:complications; D010612:Pharyngitis / Q000150:complications