Mycoplasma gallisepticum isolated from house finches (Carpodacus mexicanus) with conjunctivitis von Ley, D.H. (North Carolina State University, Raleigh, NC.), Berkhoff, J.E, McLaren, J.M

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Clinical Mycoplasma gallisepticum infection in multiplier breeder and meat turkeys caused by F strain: identification by sodium dodecyl sulfate-polyacrylamide gel electrophoresis,... von Ley, D.H, Avakian, A.P, Berkhoff, J.E

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Antibody responses of chickens to inoculation with mycoplasma gallisepticum membrane proteins in immunostimulating complexes von McLaren, J.M. (North Carolina State University, Raleigh, NC.), Ley, D.H, Berkhoff, J.E, Avakian, A.P

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Breeder turkey hens seropositive and culture-negative for Mycoplasma synoviae von Avakian, A.P. (North Carolina State University, Raleigh, NC), Levy, D.H, Berkhoff, J.E, Ficken, M.D

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