title: Danger signals.
authors.forename: B
authors.initials: B
authors.lastname: Hill
mesh_terms: D001932:Brain Neoplasms / Q000209:etiology; D004781:Environmental Exposure / Q000009:adverse effects*; D004868:Equipment Failure; D006261:Headache / Q000209:etiology; D006801:Humans; D008872:Microwaves / Q000009:adverse effects*; D013689:Telephone / Q000706:statistics & numerical data / Q000639:trends; D006113:United Kingdom