title: Factor IX-inhibitors. Report of two cases and a study of the biological, chemical and immunological properties of the inhibitors.
mesh_terms: D000328:Adult; D001780:Blood Coagulation Tests; D001803:Blood Transfusion; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D005164:Factor IX / Q000032:analysis / Q000037:antagonists & inhibitors*; D002836:Hemophilia B / Q000097:blood / Q000188:drug therapy; D006801:Humans; D007106:Immune Sera; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D008297:Male; D008875:Middle Aged; D010949:Plasma
chemical_list: D007106:Immune Sera; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D005164:Factor IX