1. Phylogenetic analysis indicates the ‘megabacterium’ of birds is a novel anamorphic ascomycetous yeast, Macrorhabdus ornithogaster, gen. nov., sp. nov;Tomaszewski;Int J Syst Evol Microbiol,2003
2. Problems arising from disease during the periods of breeding and rearing canaries and other aviary birds;Dorrestein;Tijdschr Diergeneeskd,1980
3. Hargreaves RC. A fungus commonly found in the proventriculus of small pet birds. In: 30th Western Poultry Disease Conference and 15th Poultry Health Symposium. University of California at Davis. Davis (CA). March 9–13, 1981. p. 75–6.
4. A bacterial proventriculitis of canaries;van Herck;Avian Pathol,1984
5. Characterization of a gram-positive bacterium from the proventriculus of budgerigars (Melopsittacus undulatus);Scanlan;Avian Dis,1990