Ragheb, J. A., Yu, H., Hofmann, T., & Anderson, W. F. (1995). The amphotropic and ecotropic murine leukemia virus envelope TM subunits are equivalent mediators of direct membrane fusion: Implications for the role of the ecotropic envelope and receptor in syncytium formation and viral entry.

Ragheb, J A., H. Yu, T. Hofmann, och W F. Anderson. The Amphotropic and Ecotropic Murine Leukemia Virus Envelope TM Subunits Are Equivalent Mediators of Direct Membrane Fusion: Implications for the Role of the Ecotropic Envelope and Receptor in Syncytium Formation and Viral Entry. 1995.

Ragheb, J A., H. Yu, T. Hofmann, och W F. Anderson. The Amphotropic and Ecotropic Murine Leukemia Virus Envelope TM Subunits Are Equivalent Mediators of Direct Membrane Fusion: Implications for the Role of the Ecotropic Envelope and Receptor in Syncytium Formation and Viral Entry. 1995.