title: Light and electron microscopic studies of root canal flora and periapical lesions.
authors.forename: P N
authors.initials: PN
authors.lastname: Ramachandran Nair
mesh_terms: D001419:Bacteria / Q000302:isolation & purification* / Q000648:ultrastructure; D003786:Dental Pulp Cavity / Q000382:microbiology*; D006801:Humans; D008854:Microscopy, Electron; D010483:Periapical Diseases / Q000382:microbiology*