TY - JOUR AU - Harris, EN TI - The Second International Anticardiolipin Standardization Workshop/The Kaps Group JO - Am J Clin Pathol VL - 94 PY - 1990 DO - 10.1093/ajcp/94.4.476 L3 - PubMed-ID: 2220676 SP - 476 EP - 84. ER -