title: In response - case control study on radiology work, medical X-ray investigations and use of cellular phones as risk factors for brain tumors.
authors.forename: P E
authors.initials: PE
authors.lastname: Friedell
mesh_terms: D001932:Brain Neoplasms / Q000453:epidemiology*; D055590:Electromagnetic Phenomena; D006801:Humans; D011827:Radiation; D012307:Risk Factors; D013689:Telephone