共 23 条
- [2] CROUCH CF, 1984, CAN J COMP MED, V48, P340
- [3] DIXON WJ, 1969, INTRO STATISTICAL AN, P193
- [4] ELLENS D, 1981, CURRENT TOPICS VET M, V13, P22
- [5] HORZINEK MC, 1984, ZBL VET MED B, V31, P649
- [6] HORZINEK MC, 1987, CIBA F SYMP, V128, P162
- [8] HOYER M, 1985, TIJDSCHR DIERGENEESK, V110, P1070
- [9] HUDSON L, 1900, PRACTICAL IMMUNOLOGY, P156
- [10] KOOPMANS M, 1986, AM J VET RES, V47, P1896