title: Isolation of Actinomyces israelii from periapical lesion.
mesh_terms: D000190:Actinomyces / Q000302:isolation & purification*; D003786:Dental Pulp Cavity / Q000382:microbiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010482:Periapical Abscess / Q000382:microbiology* / Q000473:pathology