Localization of anticoagulantly active heparan sulfate proteoglycans in vascular endothelium: antithrombin binding on cultured endothelial cells and perfused rat aorta - de Agostini,A.; Watkins,S.C.; Slayter,H.S.; Youssoufian,H.; Rosenberg,R.D. (J Cell Biol, 1990)