TY  - RPRT
TI  - Interference patterns encountered when using attenuated poliovirus vaccines.
AU  - J H HALE
AU  - L H LEE
AU  - P S GARDNER
PY  - 1961
DO  - 10.1136/bmj.2.5254.728
UR  - https://pubmed.ncbi.nlm.nih.gov/13710702/
ID  - 13710702
ER  -