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- [1] THE EFFECT OF THE DYE-MARKING OF MASTITIS REMEDIES ON THE INCIDENCE OF ANTIBIOTIC RESIDUES IN PRETORIAS MARKET MILK SUPPLIES [J]. JOURNAL OF THE SOUTH AFRICAN VETERINARY ASSOCIATION-TYDSKRIF VAN DIE SUID-AFRIKAANSE VETERINERE VERENIGING, 1979, 50 (03): : 151 - 153