title: Factor VIII and IX variants. Relationship between haemophilia B M  and haemophilia B+.
mesh_terms: D001780:Blood Coagulation Tests; D005164:Factor IX / Q000032:analysis; D005169:Factor VIII / Q000032:analysis; D005260:Female; D006467:Hemophilia A / Q000097:blood* / Q000235:genetics; D002836:Hemophilia B / Q000097:blood* / Q000235:genetics; D006801:Humans; D008297:Male; D010375:Pedigree
chemical_list: D005169:Factor VIII; D005164:Factor IX