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Wexler, H M., E. Molitoris, P R. Murray, J. Washington, R J. Zabransky, P H. Edelstein, und S M. Finegold. Comparison of Spiral Gradient Endpoint and Agar Dilution Methods for Susceptibility Testing of Anaerobic Bacteria: A Multilaboratory Collaborative Evaluation. 1996.

Wexler, H M., et al. Comparison of Spiral Gradient Endpoint and Agar Dilution Methods for Susceptibility Testing of Anaerobic Bacteria: A Multilaboratory Collaborative Evaluation. 1996.