[Studies on Echo 9 viruses. IV. Studies of the genetic properties S, d, MS and E of "hot" and "cold" mutants].
D029822:Enterovirus B, Human / Q000302:isolation & purification*; D005827:Genetics, Microbial; D008722:Methods; D014776:Virus Cultivation
Badania wirusa Echo 9. IV. Badanie cech cenetycznych S, d, MS i E mutantów "goracego" i "zimnego".