Greene, W. A., Gano, A. M., Smith, K. L., Hogan, J. S. and Todhunter, D. A. (1991) “Comparison of probiotic and antibiotic intramammary therapy of cattle with clinical mastitis”, The Bovine Practitioner, 1991(26), pp. 119–122. doi: 10.21423/bovine-vol1991no26p119-122.