RT Journal Article SR Electronic T1 The Human Fetal and Neonatal Circulation: Function and Structure JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 204 OP 204 DO 10.1136/jcp.28.3.204-c VO 28 IS 3 A1 Emery, John L. YR 1975 UL http://jcp.bmj.com/content/28/3/204.3.abstract AB