RT Journal Article SR Electronic T1 Measuring melanomas: the Vernier method. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 229 OP 230 DO 10.1136/jcp.37.2.229 VO 37 IS 2 A1 N Kirkham A1 D W Cotton YR 1984 UL http://jcp.bmj.com/content/37/2/229.abstract AB