J. Gratzek

发表

M. Collins, D. Dawe, T. G. Nemetz, 1975 .

D. Dawe, J. Gratzek, M. H. McGlamery, 1971 .

S. Kleven, T. Scott, R. E. Wooley, 1974, Applied microbiology.

R. E. Wooley, J. Gratzek, 1969, American journal of veterinary research.

J. Gratzek, 1981, The Journal of small animal practice.

M. Collins, Emmett B. Shotts, M. T. Collins, 1975 .

G. Buening, J. Gratzek, 1967, American journal of veterinary research.

J. Gratzek, D. Evans, 1989 .

D. Evans, V. Blazer, S. Graves, 1984, Comparative immunology, microbiology and infectious diseases.

D. Dawe, B. A. Goven, J. Gratzek, 1980, Developmental and comparative immunology.

V. Blazer, J. Gratzek, 1985, Journal of comparative pathology.