by Witter, J.F
Published in Infectious diseases of wild mammals (USA) (1981)

by Witter, J.F.
Published in Poultry science (01.05.1936)

by Witter, J.F
Published in Avian diseases (01.10.1976)

by Witter, J.F
Published in Avian diseases (01.10.1976)

by Shaw, N.A, Dickey, H.C, Brugman, H.H, Blamberg, D.L, Witter, J.F
Published in Laboratory animals (London) (1974)