Comparison of virus titre results obtained in four different laboratories using different virus assay techniques.
Hahn
E E
EE
Giacometti
G
G
Perkins
F T
FT
Magrath
D I
DI
Fleury
C F
CF
Petrilli
F L
FL
Crovari
P
P
D014773:Virology / Q000379:methods*; D014780:Viruses / Q000302:isolation & purification*