title: Activated clotting factors in haemophilia (1840)
mesh_terms: D001803:Blood Transfusion / Q000266:history*; D005169:Factor VIII; D006467:Hemophilia A / Q000097:blood / Q000628:therapy*; D049672:History, 19th Century; D006801:Humans; D011183:Postoperative Complications / Q000628:therapy
chemical_list: D005169:Factor VIII