共 25 条
- [1] Anderson A. B. M., 1972, J REPROD FERT S, V16, P25
- [4] CLOETE J. H. L., 1939, ONDERSTEPOORT JOUR VET SCI AND ANIMAL INDUST, V13, P417
- [5] COMLINE RS, 1973, P SIR J BARCROFT CEN, P606
- [7] HOUVENAGHEL A, 1970, ARCH INT PHARMACOD T, V186, P190
- [9] KJAERSGAARD P, 1968, ACTA VET SCAND, V9, P180