Is rheumatoid arthritis in African descendants from North and South America the same?
Alarcón
G S
GS
D000349:Africa / Q000208:ethnology; D001172:Arthritis, Rheumatoid / Q000208:ethnology*; D006801:Humans; D009656:North America / Q000453:epidemiology; D013020:South America / Q000453:epidemiology