1. Liquid chromatographic analysis of antibacterial drug residues in food products of animal origin;Shaikh;J.Chromatogr.,1993
2. S.F. Sundloff, J. Cooper, in: W.A. Moats, M.B. Medina (Eds.), ACS Symposium Series 636: Veterinary Drug Residues (symposium at the national meeting of the American Chemical Society, Anaheim, CA), American Chemical Society, Washington, DC, 1995, p. 5
3. Code of Federal Regulations, National Archives and Records Administration, Washington, DC, 1997, 21 CFR 556
4. The spectrophotometric determination of ampicillin;Smith;Analyst,1967
5. Comparative study of the micellar enhanced spectrophotometric determination of β-lactamic antibiotics by batch and flow injection analysis using a multisimplex design;Fernández-González;J. Pharm. Biomed. Anal.,2002