@misc{indiciae1d30b8386cc5, title = {Interference phenomena between ECHO virus types 1, 2, 7 and 11.}, author = {R G SOMMERVILLE}, year = {1960}, doi = {10.1007/bf01258763}, url = {https://pubmed.ncbi.nlm.nih.gov/13832776/}, note = {Source identifier: 13832776} }