On primary carcinoma of the middle ear and mastoid; its incidence, etiological factors and clinical course, with the results of treatment by surgery and radiotherapy.
D002277:Carcinoma; D004432:Ear, Middle; D006801:Humans; D015994:Incidence; D008416:Mastoid; D009369:Neoplasms
EAR, MIDDLE/neoplasms; MASTOID/neoplasms