title: An 8-year-old boy with a 4-day history of fever, cough and malaise, and a 2-day history of painful calves and difficulty walking.
authors.affiliation: Department of Paediatrics, University of Bern, Inselspital, 3010 Bern, Switzerland.
authors.forename: Paul W
authors.initials: PW
authors.lastname: Meier
authors.forename: Mario G
authors.initials: MG
authors.lastname: Bianchetti
mesh_terms: D000208:Acute Disease; D002648:Child; D003371:Cough / Q000209:etiology; D005334:Fever / Q000209:etiology; D006801:Humans; D008297:Male; D009220:Myositis / Q000175:diagnosis* / Q000188:drug therapy