U1 small nuclear ribonucleoprotein Ab:Titr:Pt:Ser:SemiQn:IA
u1 small nuclear ribonucleoprotein ab:titr:pt:ser:semiqn:ia
U1 small nuclear ribonucleoprotein Ab [Titer] in Serum by Immunoassay
u1 small nuclear ribonucleoprotein ab [titer] in serum by immunoassay