(Q70107956)
Statements
Recombinants between attenuated and virulent strains of poliovirus type 1: derivation and characterization of recombinants with centrally located crossover points (English)
V I Agol
S G Drozdov
V P Grachev
M S Kolesnikova
V G Kozlov
N M Ralph
L I Romanova
E A Tolskaya
A V Tyufanov