title: The 1st International Standard for von Willebrand Factor concentrate: more to come?
mesh_terms: D003094:Collagen; D006801:Humans; D007394:International System of Units; D038622:Internationality; D011485:Protein Binding; D012015:Reference Standards; D014841:von Willebrand Factor / Q000032:analysis / Q000592:standards* / Q000627:therapeutic use
chemical_list: D014841:von Willebrand Factor; D003094:Collagen