Parainfluenza virus 2 Ab:Titr:Pt:Body fld:SemiQn:Comp fix
parainfluenza virus 2 ab:titr:pt:body fld:semiqn:comp fix
Parainfluenza virus 2 Ab [Titer] in Body fluid by Complement fixation
parainfluenza virus 2 ab [titer] in body fluid by complement fixation