Rheumatoid factor:ACnc:Pt:Plr fld:Qn
rheumatoid factor:acnc:pt:plr fld:qn
Rheumatoid factor:Arbitrary concentration:To identify measures at a point in time:Pleural fluid (thoracentesis fld):Quantitative
rheumatoid factor:arbitrary concentration:to identify measures at a point in time:pleural fluid (thoracentesis fld):quantitative