RT Journal A1 REISS F, SZILAGYI G T1 Ecology of yeast-like fungi in a hospital population: Detailed investigation of cryptococcus neoformans JF Archives of Dermatology JO Archives of Dermatology YR 1965 FD June 1 VO 91 IS 6 SP 611 OP 614 DO 10.1001/archderm.1965.01600120043008 UL http://dx.doi.org/10.1001/archderm.1965.01600120043008 AB Of 194 specimens obtained from 92 patients with malignancies, six strains of Cryptococcus neoformans, two strains of Cryptococcus albidus, 40 strains of Candida albicans, and 17 strains of unidentified Candida species were isolated. None of the patients with malignancies from whom C neoformans was isolated showed a clinical manifestation of cryptococcosis. Singer's liquid urea medium was found superior to Christensen's urea agar for demonstration of urease activity of C neoformans.