TY  - RPRT
TI  - World-wide viruses.
AU  - D E Bradford
AU  - W R Eggington
PY  - 1968
DO  - 10.1016/s0140-6736(68)92132-6
UR  - https://pubmed.ncbi.nlm.nih.gov/4170671/
ID  - 4170671
ER  -