Coxsackievirus B6 Ab^1st specimen:Titr:Pt:Ser:SemiQn
coxsackievirus b6 ab^1st specimen:titr:pt:ser:semiqn
Coxsackievirus B6 Ab [Titer] in Serum --1st specimen
coxsackievirus b6 ab [titer] in serum --1st specimen