title: In vitro and in vivo studies of the anti-Xa activity of heparin.
mesh_terms: D000818:Animals; D000990:Antithrombin III; D002417:Cattle; D005170:Factor X / Q000037:antagonists & inhibitors*; D015951:Factor Xa; D005337:Fibrin / Q000378:metabolism; D005340:Fibrinogen / Q000494:pharmacology; D006493:Heparin / Q000097:blood* / Q000592:standards; D006358:Hot Temperature; D006801:Humans; D008297:Male; D008970:Molecular Weight
chemical_list: D000990:Antithrombin III; D005170:Factor X; D005337:Fibrin; D005340:Fibrinogen; D006493:Heparin; D015951:Factor Xa