clotting factor; deficiency, IX (congenital) (functional) (hereditary) (with functional defect)
clotting factor; deficiency, ix (congenital) (functional) (hereditary) (with functional defect)
deficiency; clotting factor, IX (congenital) (functional) (hereditary) (with functional defect)
deficiency; clotting factor, ix (congenital) (functional) (hereditary) (with functional defect)