[Research on certain factors produced by microbial flora of the nasopharynx, with inhibitory effect on the influenza virus in vitro].
D006801:Humans; D066298:In Vitro Techniques; D009305:Nasopharynx / Q000382:microbiology*; D009975:Orthomyxoviridae; D012106:Research
INFLUENZA VIRUSES; NASOPHARYNX/microbiology