[ON THE PROBLEM OF HEREDITARY  ADAPTIVE VARIATION OF INFLUENZA VIRUS].
D000818:Animals; D005823:Genetics; D006801:Humans; D051379:Mice; D009975:Orthomyxoviridae; D012106:Research
EXPERIMENTAL LAB STUDY; GENETICS; INFLUENZA VIRUSES; MICE
K VOPROSU NASLEDSTVENNO I ADAPTATSIONNO I IZMENCHIVOSTI VIRUSA GRIPPA.