title: Erythema chronicum migrans--a tickborne spirochetosis.
mesh_terms: D000818:Animals; D001170:Arthritis, Infectious / Q000382:microbiology / Q000473:pathology; D004586:Electrophoresis; D004890:Erythema / Q000209:etiology / Q000382:microbiology* / Q000473:pathology; D005455:Fluorescent Antibody Technique; D011817:Rabbits; D013144:Spirochaetales / Q000302:isolation & purification; D013145:Spirochaetales Infections / Q000382:microbiology*; D013987:Ticks / Q000382:microbiology*