1. Huth EJ.Medical style and format: an international manual for authors, editors, and publishersPhiladelphia, Pa: ISI, 1987; 126.
2. Iverson C, Flanagin A, Fontanarosa PB, et al.American Medical Association manual of style9th ed. Baltimore, Md: Williams & Wilkins, 1998.
3. Stedman’s medical dictionary26th ed Baltimore, Md: Williams & Wilkins, 1995.
4. Merriam-Webster’s Collegiate Dictionary10th ed. Springfield, Mass: Mirriam-Webster, 1993.
5. Glossary of terms for thoracic radiology: recommendations of the Nomenclature Committee of the Fleischner Society