Rheumatoid factor:ACnc:Pt:Body fld:Qn:Sheep cell aggl
rheumatoid factor:acnc:pt:body fld:qn:sheep cell aggl
Rheumatoid factor:Arbitrary concentration:To identify measures at a point in time:Body fluid, unsp:Quantitative:Sheep cell aggl
rheumatoid factor:arbitrary concentration:to identify measures at a point in time:body fluid, unsp:quantitative:sheep cell aggl