Roentgenological aspects in the examination of paranasal sinuses in aviators.
D000328:Adult; D000337:Aerospace Medicine; D002908:Chronic Disease; D005626:Frontal Sinus / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000000981:diagnostic imaging; D008875:Middle Aged; D010256:Paranasal Sinuses / Q000000981:diagnostic imaging*; D011859:Radiography; D012852:Sinusitis / Q000000981:diagnostic imaging