1. American Public Health Association. Standard Methods for the Examination of Dairy Products, 10th ed. New York. 1953.
2. Antibiotics in Milk;Doan;Milk Dealer,1950
3. Modern Methods of Mastitis Treatment Cause Trouble in the Manufacture of Fermented Dairy Products;Hansen;J. Milk Food Technol.,1950
4. Jørgensen, S. Syrningsforsøg med Maelk fra penicillinbehandlede dyr. Medl. Danske Dyrlaegefar, 32: 5.[Original not seen. Cited from Biol. Abstr. 23 (10): 29756. 1949.]
5. Effects of Acid Production by Lactic Starters of Various Drugs in Milk from Mastitis Treated Cows;Krienke;Milk Plant Monthly,1950