Management of chronic ethmoiditis and sphenoiditis.
D004194:Disease; D005004:Ethmoid Bone; D005005:Ethmoid Sinus; D015521:Ethmoid Sinusitis; D006801:Humans; D010254:Paranasal Sinus Diseases; D013100:Sphenoid Bone; D013101:Sphenoid Sinus
ETHMOID SINUS/diseases; SPHENOID SINUS/diseases