1. Genetic Aspects and Epidemiologic Implications of Resistance to Trimethoprim
2. Acar, J. F., Goldstein F. W., Pinto, M. E., Then, R. L., and Toivanen, P. (1980) Curr. Chemother., Proc. Int. Congr. Chemother. 11th Vol. 1, 722–723.
3. Trimethoprim Action and Its Analogy with Thymine Starvation
4. R-factor trimethoprim resistance mechanism: An insusceptible target site
5. Thymineless mutants and their resistance to trimethoprim