TY - JOUR AB - Article PDF first page preview Close This content is only available as a PDF. © American Society of Clinical Pathologists TI - Letters JF - Laboratory Medicine DO - 10.1093/labmed/11.9.633 DA - 1980-09-01 UR - https://www.deepdyve.com/lp/oxford-university-press/letters-MkOXCaoa5W SP - 633 EP - 633 VL - 11 IS - 9 DP - DeepDyve ER -