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 Ab.IgG^1st specimen/2nd specimen:Ratio:Pt:Ser:Qn
measles virus ab.igg^1st specimen/2nd specimen:ratio:pt:ser:qn