title: Analgesic-induced headaches: an unrecognized epidemic.
authors: J
authors: J
authors: Edmeads
mesh_terms: D000700:Analgesics / Q000009:adverse effects*; D004196:Disease Outbreaks; D006261:Headache / Q000139:chemically induced* / Q000453:epidemiology; D006801:Humans; D014481:United States / Q000453:epidemiology
chemical_list: D000700:Analgesics