Ommen, C.H. van

factor stroke thrombosis neonate prothrombotic prothrombotic coagulation factors perinatal perinatal stroke study sinovenous thrombosis level risk factors children coagulation patient mutation ischemic stroke sinovenou venou outcome infant venous thrombosis ischemic prothrombotic risk factors haemophilia b leyden table sinus seizure mthfr netherland neurol hemorrhage treatment range carrier haemophilia mother department disease incidence lesion deveber result center heparin protein hospital prothrombotic coagulation factor j child neurol leyden erasmus mc month registry control presentation antibody plasma levels factor v leiden / seminars deveber g golomb therapy kenet diagnosis infarction follow-up unfractionated heparin population presence 52 neonates protein c disorder association multisinus thrombosis group symptom erasmu anticoagulation hemophilia b leyden thalamic