TY - JOUR AB - Article PDF first page preview Close This content is only available as a PDF. © American Society of Clinical Pathologists TI - Letters to the Editor JF - Laboratory Medicine DO - 10.1093/labmed/22.5.358 DA - 1991-05-01 UR - https://www.deepdyve.com/lp/oxford-university-press/letters-to-the-editor-oTgaXsNBdI SP - 358 EP - 360 VL - 22 IS - 5 DP - DeepDyve ER -