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Detection of factor VIII von Willebrand factor in endothelial cells in first-trimester fetuses
P A Travis1, E G Bovill, B Hamill
1Department of Pathology, University of Vermont College of Medicine, Burlington 05405.
Archives of Pathology & Laboratory Medicine
|January 1, 1988
Abstract:
Factor VIII von Willebrand factor was studied by the immunoperoxidase method in 38 cases of first-trimester therapeutic abortion and two cases of early second-trimester therapeutic abortion. Positive immunostaining was observed in endothelial cells at all gestational ages studied. The findings demonstrate the presence of factor VIII von Willebrand factor in endothelial cells as early as four weeks' gestational age.