Words similar to rf

Example sentences for: rf

How can you use “rf” in a sentence? Here are some example sentences to help you improve your vocabulary:

RF, AFA, anti-Sa, and anti-CCP were all associated with SE alleles, particularly two copies.
Potentially of more importance to the clinician is the diagnostic value of these antibodies when RF is not detectable.
Graham DM, Maio RF, Blow FC, Hill EM.
Of interest, only six RA patients demonstrated the presence of nodules, and this feature was more associated with RF and SE than with anti-Sa.
RF, Sa, AFA, and CCP are highly associated with shared epitope in early RA