Influence Of Genetic And Environmental Factors On Occurrence Of Rheumatoid Arthritis And Rheumatoid Factor In American Indians

Description: 

Purpose of this study is to determine if the prevalence of rheumatoid arthritis and rheumatoid factor is different in populations living under extremely contrasting climate conditions; if there is a familial aggregation of RA or RF; and whether the distribution of RA or RF in the population fits any specific genetic hypothesis or whether the distribution is random. Tables.