TY - JOUR T1 - Molecular Aspects of Medicine JF - Journal of Clinical Pathology JO - J Clin Pathol SP - 693 LP - 693 DO - 10.1136/jcp.34.6.693-c VL - 34 IS - 6 AU - DN Baron Y1 - 1981/06/01 UR - http://jcp.bmj.com/content/34/6/693.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -