Zimmer B L, Roberts G D
J Clin Microbiol. 1979 Sep;10(3):380-1. doi: 10.1128/jcm.10.3.380-381.1979.
A rapid simplified screening method that selectively detected the urease activity of 99.6% of 286 isolates of Cryptococcus neoformans within 15 min was developed for use in clinical microbiology laboratories.