The<unk> s are a group of autosomal dominant disorders of qualitatively abnormal fibrinogens.  There are various different fibrinogen abnormalities, each named after the place where it was discovered.  Each<unk>  is associated with slightly different effects on the thrombin time and on normal clotting.
Familial dysfibrinogenemia
Von Willebrand disease
Hemophilia
Grey platelet syndrome
Hemophilia C
Hemophilia B
Hemophilia A
Factor V Leiden