title: Age at first joint bleed and bleeding severity in boys with severe hemophilia A: Canadian Hemophilia Primary Prophylaxis Study.
authors.forename: M X
authors.initials: MX
authors.lastname: Hang
authors.forename: V S
authors.initials: VS
authors.lastname: Blanchette
authors.forename: E
authors.initials: E
authors.lastname: Pullenayegum
authors.forename: M
authors.initials: M
authors.lastname: McLimont
authors.forename: B M
authors.initials: BM
authors.lastname: Feldman
mesh_terms: D000367:Age Factors; D017668:Age of Onset; D002170:Canada; D002648:Child; D002675:Child, Preschool; D005169:Factor VIII / Q000037:antagonists & inhibitors*; D006467:Hemophilia A / Q000097:blood* / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D007223:Infant; D007596:Joints / Q000473:pathology; D008297:Male; D016016:Proportional Hazards Models; D011446:Prospective Studies; D012306:Risk; D016896:Treatment Outcome
chemical_list: C078147:F8 protein, human; D005169:Factor VIII