Polio virus 2 Ab.Neut^1st specimen:Titr:Pt:Ser:SemiQn:Neut
polio virus 2 ab.neut^1st specimen:titr:pt:ser:semiqn:neut
Polio virus 2 neut ab spec 1 Neut test (S) [Titer]
polio virus 2 neut ab spec 1 neut test (s) [titer]