title: The surgical microscope in the periodontal practice.
authors.affiliation: Graduate Periodontics Department, Veterans Administration, Los Angeles, CA, USA.
authors.forename: Allan
authors.initials: A
authors.lastname: Charles
authors.forename: Harvey
authors.initials: H
authors.lastname: Freed
mesh_terms: D006804:Ergonomics; D006801:Humans; D007909:Lenses; D008853:Microscopy / Q000295:instrumentation*; D008866:Microsurgery / Q000295:instrumentation; D010517:Periodontics / Q000295:instrumentation*