Thrombin Generation Assays ISTH poster 2009 Evaluation of APTT clot waveform analysis by IL ACL TOP® in patients with Haemophilia and comparison to clot waveform analysis with MDA® 180 Thrombin Generation Test (TGT) & Rotational Thromboelastography (ROTEM™) and its use in assessing Severe Haemophilia A phenotype