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