Magnetic Resonance Imaging / Humans / Chronic Disease / Headache / Male / Young Adult / Differential Diagnosis / Recurrence / Fever / Otitis Media / Cholesteatoma / Temporal Bone / X ray Computed Tomography / New England Journalof Medicine / Young Adult / Differential Diagnosis / Recurrence / Fever / Otitis Media / Cholesteatoma / Temporal Bone / X ray Computed Tomography / New England Journalof Medicine
Statistics / Survival Analysis / Humans / Markov chains / Computer Simulation / Female / Male / Recurrence / Public health systems and services research / Prognosis / Life tables / Female / Male / Recurrence / Public health systems and services research / Prognosis / Life tables