Rheumatoid factor:Titr:Pt:Body fld:SemiQn
rheumatoid factor:titr:pt:body fld:semiqn
Rheumatoid factor:Dilution Factor (Titer):To identify measures at a point in time:Body fluid, unsp:Semiquantitative
rheumatoid factor:dilution factor (titer):to identify measures at a point in time:body fluid, unsp:semiquantitative