United States. Agricultural Research Service. Animal Health Division.
Henry Betham Robinson
Ferdinand Arnoux
O. W. Schalm
Unknown Author
Paul C. Bartlett
J. O'Shea
United States. Science and Education Administration
W. Nelson Philpot
National Mastitis Council, Inc.
Underwood, Michael
Coliform Mastitis Symposium (1993 Washington State University, College of Veterinary Medicine)
T. W. Nunn
Wubshet Mamo