TY - JOUR T1 - Diagnostic Immunology JF - Journal of Clinical Pathology JO - J Clin Pathol SP - 486 LP - 487 DO - 10.1136/jcp.46.5.486-d VL - 46 IS - 5 AU - Anthony J Pinching Y1 - 1993/05/01 UR - http://jcp.bmj.com/content/46/5/486.4.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -