If you find the material on this website useful, you will find that the two books
ACES
for PACES and KEYS to SUCCESS in Medicine
complement the material on these sites
and will enhance your studying and revision
BOF 79 Rheumatoid arthritis (RA), all are true, except: 1-The commonest cause of inflammatory arthritis 2- RA is seen world wide in all ethnic groups 3-the incidence is lowest in African Americans and
highest among Pima Indians 4-In Caucasians, the prevalence is about 10-15 % with
female to male ratio of 9:1 5-no single factor as an aetiology has been identified
to date