1. Studies on the Biosynthesis of Lincomycin. I. Antibiotic U-11,921, an S-Ethyl Homolog of Lincomycin*
2. Code of Federal Regulation, Title 21 (Food and Drugs), Vol. 6, Part 556. Revised January 1, 2003.
3. Commission Regulation, (EC) N° 1181/2002 of July 1, 2002, In Off. J. Eur. Communities N° L172, of 2.07.2002 and Commission Regulation (EC) No 508/1999 of 4 March 1999 amending Annexes I to IV to Council Regulation (EEC) No 2377/90 laying down a Community procedure for the establishment of maximum residue limits of veterinary medicinal products in foodstuffs of animal origin. Official Journal L 060, 09/03/1999, 16–52.
4. Antibiotic resistance spread in food