RT Journal Article SR Electronic T1 THE LUNG CIRCULATION JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 412 OP 412 DO 10.1136/jcp.19.4.412-a VO 19 IS 4 A1 Scadding, G. YR 1966 UL http://jcp.bmj.com/content/19/4/412.1.abstract AB