RT Journal Article SR Electronic T1 Open lung biopsy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 447 OP 471 VO 52 IS 4 A1 Gordon N. Gephardt YR 1985 UL http://www.ccjm.org/content/52/4/447.abstract AB The methods of processing and evaluating open lung biopsies are described. The diagnostic importance of frozen sections, light microscopy, immunohistochemistry, and electron microscopy is discussed.