Deficient incorporation of spike protein into virions contributes to the lack of infectivity following establishment of a persistent, non-productive infection in oligendroglial cell culture by murine coronvirus
Liu, Y., Herbst, W., Cao, J., Zhang X. Deficient incorporation of spike protein into virions contributes to the lack of infectivity following establishment of a persistent, non-productive infection in oligendroglial cell culture by murine coronvirus. Virology. 2011; 409:121-131.