title: Haemophilia Bm: a new type of factor-IX deficiency.
mesh_terms: D001780:Blood Coagulation Tests; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005164:Factor IX / Q000032:analysis; D002836:Hemophilia B / Q000175:diagnosis* / Q000235:genetics*; D006801:Humans; D008297:Male; D011517:Prothrombin Time
chemical_list: D005164:Factor IX