共 13 条
- [1] ACKERT J. E., 1933, TRANS AMER MICROSC SOC, V52, P51, DOI 10.2307/3222227
- [2] Andrews J. S., 1948, Journal of Parasitology Suppl, V34, P13
- [7] HALE OM, 1967, 13 GA AGR EXP STA RE
- [8] KELLEY GW, 1958, AM J VET RES, V19, P401
- [9] Porter Dale A., 1942, AMER JOUR VET RES, V3, P304