RT Journal Article SR Electronic T1 Aerobic Gram-negative Bronchopneumonias JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1123 OP 1123 DO 10.1136/jcp.33.11.1123-e VO 33 IS 11 A1 P Sanderson YR 1980 UL http://jcp.bmj.com/content/33/11/1123.5.abstract AB