A single amino acid change, Q114R, in the cleavage-site sequence of Newcastle disease virus fusion protein attenuates viral replication and pathogenicity
Journal of General Virology (2011) - Comment
pubmed: 21677091  doi: 10.1099/vir.0.033399-0  issn: 1465-2099  issn: 0022-1317 

Sweety Samal, Sachin Kumar, Sunil K. Khattar, Siba K. Samal