共 15 条
- [1] BACHMANN P, 1972, Schweizer Archiv fuer Tierheilkunde, V114, P362
- [2] Friendship R. M., 1984, Proceedings of the 8th International Pig Veterinary Society Congress., P97
- [3] HENRY SC, 1982, P INT PIG VET SOC C, P72
- [4] Nicolet J., 1979, Pig International, V9, P12
- [5] NICOLET J, 1976, P INT PIG VET SOC AM, P21
- [6] NICOLET J, 1979, PIG INT, V9, P8
- [7] NIELSEN R, 1976, NORD VET MED, V28, P337
- [8] NIELSEN R, 1982, THESIS COPENHAGEN
- [9] PIJOAN C, 1982, P IPVS C MEXICO, P73
- [10] ROSENDAL S, 1983, CAN J COMP MED, V47, P1