Mastitis control program: effect on milk production.

@article{Natzke1972MastitisCP,
  title={Mastitis control program: effect on milk production.},
  author={R P Natzke and Robert W. Everett and R S Guthrie and John Keown and A M Meek and W G Merrill and Sarah J. Roberts and Gerhard H. H. Schmidt},
  journal={Journal of dairy science},
  year={1972},
  volume={55 9},
  pages={1256-60}
}