Search results
Tropical Animal Health and Production > 2001 > 33 > 3 > 219-227
Fertility and Sterility > 2000 > 74 > 2 > 234-238
The Journal of Urology > 2000 > 163 > 2 > 593-596
Journal of Clinical Epidemiology > 1995 > 48 > 10 > 1261-1267