title: [Epidemiology in emergency medical services in Japan viewed from the standpoint of internal medicine].
authors.forename: Shinichi
authors.initials: S
authors.lastname: Ishimatsu
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007388:Internal Medicine; D007564:Japan / Q000453:epidemiology; D008875:Middle Aged; D012720:Severity of Illness Index; D013997:Time Factors; D014187:Transportation of Patients / Q000706:statistics & numerical data*