TY - JOUR T1 - Clinical Immunology JF - Journal of Clinical Pathology JO - J Clin Pathol SP - 1102 LP - 1102 DO - 10.1136/jcp.25.12.1102-d VL - 25 IS - 12 AU - H. E. M. Kay Y1 - 1972/12/01 UR - http://jcp.bmj.com/content/25/12/1102.4.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -