title: Treatment of haemophilia B with purified Factor IX (PPSB).
mesh_terms: D000328:Adult; D002675:Child, Preschool; D005164:Factor IX / Q000627:therapeutic use*; D005260:Female; D002836:Hemophilia B / Q000628:therapy*; D006801:Humans; D008297:Male
chemical_list: D005164:Factor IX