title: Prevalence of rheumatoid factors in juvenile rheumatoid arthritis.
authors.forename: P
authors.initials: P
authors.lastname: Ballardini
authors.forename: C A
authors.initials: CA
authors.lastname: Busachi
authors.forename: A
authors.initials: A
authors.lastname: Amoresano
authors.forename: M
authors.initials: M
authors.lastname: Masi
authors.forename: S
authors.initials: S
authors.lastname: Ventura
authors.forename: G
authors.initials: G
authors.lastname: Cavalli
mesh_terms: D001171:Arthritis, Juvenile / Q000097:blood*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D015995:Prevalence; D012217:Rheumatoid Factor / Q000032:analysis*
chemical_list: D012217:Rheumatoid Factor