1. Carlsson, Å. 1984. Inhibitory substances in milk. M.S. Thesis, Swed. Univ. Agric., Uppsala, Sweden.
2. The effect of some indigenous antibacterial factors in milk on growth of Bacillus stearothermophilus var. calidolactis;Carlsson;Milchwissenschaft,1987
3. Liquid chromatography verification of tetracycline residues in milk and influence of milk fat lipolysis on the detection of antibiotic residues by microbial assays and the Charm II test;Carlsson;J. Food Prot.,1992
4. Code of Practice for the Assessment of Milk Quality (1985). 1994. Section 7A and 7B. United Kingdom Joint Comm. Milk Marketing Board and Dairy Trade Fed., London, United Kingdom.
5. Antibiotic residue assays: can they be used to test milk from individual cows?;Cullor;Vet. Med.,1992