共 8 条
- [1] BURMESTER BR, 1959, J NATL CANCER I, V22, P103
- [2] CAMPBELL JG, 1954, 10TH P WORLDS POULTR, P193
- [3] COLE RK, PERSONAL COMMUNICATI
- [4] HUTT FB, 10 P WORLDS POULTRY
- [5] JUNGHERR E, 1941, AM J VET RES, V2, P116
- [6] KENNARD DC, 1936, OHIO AGR EXP STA BIM, V21, P63
- [7] REED L. J., 1938, AMER JOUR HYG, V27, P493
- [8] SEVOIAN MARTIN, 1962, VET MED, V57, P500