title: Observations on the occurrence of Cryptococcus neoformans in an aviary, using niger-seed creatinine agar and membrane-filtration technique.
mesh_terms: D000362:Agar; D000818:Animals; D001717:Birds; D003404:Creatinine; D003454:Cryptococcus / Q000302:isolation & purification*; D003455:Cryptococcus neoformans / Q000302:isolation & purification; D003470:Culture Media; D005243:Feces / Q000382:microbiology*; D005374:Filtration
chemical_list: D003470:Culture Media; D000362:Agar; D003404:Creatinine