The Correlation of Sulfonamide Disc Sensitivity Testing with the Outcome of Therapy in Patients with Urinary Tract Infections

Susceptibility testing of fungi: current status of the standardization process

“…As an historical note, this issue was a serious problem early in the development of standards for sulfonamide and other antibacterial agents which did not have sharp endpoints. For those drugs as well, an 80% endpoint was similarly found to be useful for resolving problems of reproducibility (2,3).…”