Coxsackievirus B1 Ab^2nd specimen:Titr:Pt:Ser:SemiQn
coxsackievirus b1 ab^2nd specimen:titr:pt:ser:semiqn
Coxsackievirus B1 Ab [Titer] in Serum --2nd specimen
coxsackievirus b1 ab [titer] in serum --2nd specimen