Lorenzana, L. M., Pérez-Redondo, R., Santamarta, I., Martín, J. F., & Liras, P. (2004). Two Oligopeptide-Permease-Encoding Genes in the Clavulanic Acid Cluster of Streptomyces clavuligerus Are Essential for Production of the β-Lactamase Inhibitor. American Society for Microbiology.

Lorenzana, Luis M., Rosario Pérez-Redondo, Irene Santamarta, Juan F. Martín, و Paloma Liras. Two Oligopeptide-Permease-Encoding Genes in the Clavulanic Acid Cluster of Streptomyces Clavuligerus Are Essential for Production of the β-Lactamase Inhibitor. American Society for Microbiology, 2004.

Lorenzana, Luis M., et al. Two Oligopeptide-Permease-Encoding Genes in the Clavulanic Acid Cluster of Streptomyces Clavuligerus Are Essential for Production of the β-Lactamase Inhibitor. American Society for Microbiology, 2004.