title: Thrombosis and factor-IX concentrates.
mesh_terms: D005164:Factor IX / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications; D013927:Thrombosis / Q000139:chemically induced*
chemical_list: D005164:Factor IX