共 25 条
- [11] HOLTZ G, 1984, FERTIL STERIL, V41, P497
- [12] HOLTZ G, 1980, J REPROD MED, V24, P141
- [13] MCCLURE SR, 1995, VET MED-US, V90, P885
- [14] MENZIES D, 1993, ANN ROY COLL SURG, V75, P147
- [15] MOLL HD, 1992, AM J VET RES, V53, P1454
- [16] MOLL HD, 1991, AM J VET RES, V52, P88
- [17] MOORE RM, 1992, COMP CONT EDUC PRACT, V14, P1514
- [20] NAIR SK, 1974, ARCH SURG-CHICAGO, V108, P849