oa South African Medical Journal - A human brain thromboplastin standard for distribution in South Africa

Volume 50, Issue 50
  • ISSN : 0256-9574
  • E-ISSN: 2078-5135



As part of an international co-operative study of the International Committee for Standardisation in Haematology, human brain thromboplastins prepared by the acetoneextracted and phenol-saline extraction techniques have been compared as to the yield, the proportion of reagent discarded and wasted, and the sensitivity related to an international standard, the British Comparative Thromboplastin standard (BCT).

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