title: Severe aortic regurgitation in RF positive polyarticular JIA.
authors.forename: I E M
authors.initials: IE
authors.lastname: Bultink
authors.forename: W F
authors.initials: WF
authors.lastname: Lems
authors.forename: B A C
authors.initials: BA
authors.lastname: Dijkmans
authors.forename: R M
authors.initials: RM
authors.lastname: van Soesbergen
authors.forename: J
authors.initials: J
authors.lastname: Lindeman
mesh_terms: D000293:Adolescent; D001022:Aortic Valve Insufficiency / Q000097:blood / Q000209:etiology* / Q000473:pathology; D001171:Arthritis, Juvenile / Q000097:blood / Q000150:complications* / Q000473:pathology; D005260:Female; D006801:Humans; D012217:Rheumatoid Factor / Q000097:blood*
chemical_list: D012217:Rheumatoid Factor