title: Erythema chronica migrans (ECM). Ticks and Lyme disease in Missouri.
authors.forename: R W
authors.initials: RW
authors.lastname: Swinfard
authors.forename: P C
authors.initials: PC
authors.lastname: Anderson
mesh_terms: D015787:Erythema Chronicum Migrans / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008923:Missouri