title: Differences between Spanish and British patients in the severity of rheumatoid arthritis: comment on the article by Drosos et al.
authors.forename: E
authors.initials: E
authors.lastname: Ronda
authors.forename: M T
authors.initials: MT
authors.lastname: Ruiz
authors.forename: E
authors.initials: E
authors.lastname: Pascual
authors.forename: T
authors.initials: T
authors.lastname: Gibson
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000208:ethnology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012720:Severity of Illness Index; D013030:Spain; D006113:United Kingdom