title: Methodological problems in comparing the severity of rheumatoid arthritis between populations.
authors.affiliation: Department of Medicine, College of Medical Sciences, University of Maiduguri, Nigeria.
authors.forename: A
authors.initials: A
authors.lastname: Ali-Gombe
authors.forename: A
authors.initials: A
authors.lastname: Adebajo
authors.forename: A
authors.initials: A
authors.lastname: Silman
mesh_terms: D000349:Africa / Q000208:ethnology; D001172:Arthritis, Rheumatoid / Q000453:epidemiology / Q000208:ethnology / Q000503:physiopathology*; D044383:Black People; D006801:Humans; D015994:Incidence; D008722:Methods; D015995:Prevalence; D012720:Severity of Illness Index