1. Quantifying the genetic effects on the anatomy of the streak canal;Appleman;Proc. VI Int. Conf. on Cattle Diseases,1970
2. Supplement to the current concepts of bovine mastitis;Brown,1972
3. Genetic aspects of dairy cattle breeding;Johansson,1961
4. Radiographie method for anatomic study of the teat canal: changes with lactation age;McDonald;Amer. J. Vet. Res.,1968
5. Radiographie method for anatomic study of the teat canal: observations on 22 lactating dairy cows;McDonald;Amer. J. Vet. Res.,1968