RT Journal Article SR Electronic T1 Genetic heterogeneity in inherited disease JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 32 OP 37 DO 10.1136/jcp.27.Suppl_8.32 VO 27 IS Suppl 8 A1 Harry Harris YR 1974 UL http://jcp.bmj.com/content/27/Suppl_8/32.abstract AB