TY  - RPRT
TI  - Evolution of human influenza A viruses in nature: recombination contributes to genetic variation of H1N1 strains.
AU  - J F Young
AU  - P Palese
PY  - 1979
DO  - 10.1073/pnas.76.12.6547
UR  - https://pubmed.ncbi.nlm.nih.gov/293742/
ID  - 293742
ER  -