| Phenotype details |
see paper; ..., lifelong epistaxis, gum bleeding, petechias, purpura; severe monorrhagia, anemia, need for whole-blood transfusion; normal coagulation assays; prolonged bleeding time; absent clot retraction; decreased glass bead retention; absent platelet aggregation in response to adenine diphosphate/pinephrine/collagen; normal initial slope of platelet aggregation in response to ristocetin, but with a diminished maximal extent. |