RT Journal Article SR Electronic T1 Proceedings: Farmer's lung. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 754 OP 755 DO 10.1136/jcp.28.9.754-d VO 28 IS 9 A1 Mackenzie, D W YR 1975 UL http://jcp.bmj.com/content/28/9/754.4.abstract AB