Toxoplasma gondii Ab.IgG^1st specimen/2nd specimen:Ratio:Pt:Ser:Qn
toxoplasma gondii ab.igg^1st specimen/2nd specimen:ratio:pt:ser:qn
Toxoplasma gondii IgG Ab [Ratio] in Serum --1st specimen/2nd specimen
toxoplasma gondii igg ab [ratio] in serum --1st specimen/2nd specimen