The present invention provides an in vitro method useful for the diagnosis of a thrombotic disorder in a subject, having or at risk of having the disorder. Specifically, the disorder exemplified herein is associated with APC resistant Factor V and Va. The clotting time of a test sample is analyzed...http://www.google.ca/patents/US5705395?utm_source=gb-gplus-sharePatent US5705395 - Method for diagnosis of thrombotic disorders