Shand, R. F., Blum, P. H., Mueller, R. D., Riggs, D. L., & Artz, S. W. (1989). Correlation between histidine operon expression and guanosine 5'-diphosphate-3'-diphosphate levels during amino acid downshift in stringent and relaxed strains of Salmonella typhimurium.

Shand, R F., P H. Blum, R D. Mueller, D L. Riggs, and S W. Artz. Correlation between Histidine Operon Expression and Guanosine 5'-diphosphate-3'-diphosphate Levels During Amino Acid Downshift in Stringent and Relaxed Strains of Salmonella Typhimurium. 1989.

Shand, R F., et al. Correlation between Histidine Operon Expression and Guanosine 5'-diphosphate-3'-diphosphate Levels During Amino Acid Downshift in Stringent and Relaxed Strains of Salmonella Typhimurium. 1989.