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Isabel M. Gimeno, Richard L. Witter, Andrea Miles, American Association of Avian Pathologists. Continuing Education Committee· 2005
Slide study sets in pdf format.
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B. R. Burmester, Benjamin F. Detroy, George Albert White, George W. French, Gino J. Mangialardi, Harold Watson, James E. Pallas, Jerry Okey Newman, Orin A. Hills, Perry A. Glick, Rayburn Ellis Parker, Warren E. Garner, William C. Burns, Anson Rabb Bertrand, John Tucker Holstun, Joseph John Higgins, Oliver L. McCaskill, R. E. Deese, Richard L. Witter, Robert Alonzo Mullikin, Shelby Herbert Holder, Floyd E. Fulgham, Marvin Koger· 1964
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B. R. Burmester, Billy Ray Wiseman, Dan A. Wolfenbarger, Ernest John George, Gino J. Mangialardi, H. M. Graham, Jack Sidney Palmer, Jerry Okey Newman, R. E. Jezek, Robert Eaton Fye, Robert L. Gallun, United States. Entomology Research Division, Walter R. Houston, Anselm Clyde Griffin, C. R. Parencia, Charles D. Bonham, Homer T. Hurst, Hubert Kimberly Poole, Louis Powers Reitz, Rex L. McGarr, Richard L. Witter, W. W. McMillian· 1971