Activated partial thromboplastin time. A multicenter evaluation of 11 reagents in the screening of mild haemophilia A.

  • Published 1980 in Scandinavian journal of haematology
An internationally standardized preparation and 10 commercial kits widely used to perform the activated partial thromboplastin time (APTT) were compared in 4 laboratories for the purpose of assessing their ability to detect mild deficiencies of factor VIII activity. The participating laboratories were asked to carry out with each APTT reagent quadruplicate… CONTINUE READING