M. El-Hariri, H. Shawky, N. Ezz-Eldin, W. Tawakkol, M. Kotb, and M. Refai,  "Typing of Cryptococcus neoformans isolates recovered from droppings of pigeons, parrots and canaries.",   Vet.Med.J.Giza. , vol. 55 , pp. 411-423., 2007.