TY  - RPRT
TI  - Studies on the antigenic differences between influenza type A2 virus strains.
AU  - M Tokuda
AU  - P Bolli
AU  - J Imai
PY  - 1970
UR  - https://pubmed.ncbi.nlm.nih.gov/5447689/
ID  - 5447689
ER  -