Parvovirus B19 Ab.IgM^1st specimen/2nd specimen:Ratio:Pt:Ser:Qn
parvovirus b19 ab.igm^1st specimen/2nd specimen:ratio:pt:ser:qn
Parvovirus B19 Ab.IgM^1st specimen/2nd specimen:Ratio:Pt:Ser:Qn
parvovirus b19 ab.igm^1st specimen/2nd specimen:ratio:pt:ser:qn