F. A. Gulvas

Assays for Endogenous and Exogenous Lymphoid Leukosis Viruses and Chick Helper Factor with RSV(−) Cell Lines

L. Crittenden, D. A. Eagen, F. A. Gulvas, 1979, Infection and immunity.

Endogenous virus expression in chicken lines maintained at the Regional Poultry Research Laboratory.

H. Robinson, E. Smith, L. Crittenden, 1979, Virology.

Spontaneous production and transmission of subgroup E retroviruses in line 15B chickens.

L. Crittenden, D. A. Eagen, F. A. Gulvas, 1980, Virology.

Complete endogenous RNA tumour virus production by inbred and non-inbred chickens.

R. Gowe, L. Crittenden, J. Gavora, 1979, Avian pathology : journal of the W.V.P.A.