TY  - RPRT
TI  - [Methodical principles for improving influenza vaccines].
AU  - N N Sokolov
AU  - A A Sumarokov
AU  - V S Perepelkin
PY  - 1976
UR  - https://pubmed.ncbi.nlm.nih.gov/782102/
ID  - 782102
ER  -