1. Observations on the length and angle of declination of the vulva and its relation to fertility in the mare;Pascoe;J Reprod Fertil Suppl,1979
2. External perineal conformation;Easley,1993
3. Vulvar conformation;Pascoe,2007
4. Common bacterial infections of the foetus and foals and association of the infection with the dam;Bain;Aust Vet J,1963
5. The role of infection and infertility in the TB mare;Bain;Vet Rec,1966