Hugues Beaufrère, Mélanie Ammersbach, Drury R. Reavill, Michael M. Garner, J. Jill Heatley, Nobuko Wakamatsu, Javier G. Nevarez, Thomas N. Tully,
Prevalence of and risk factors associated with atherosclerosis in psittacine birds. Javma-journal of The American Veterinary Medical Association. ,vol. 242, pp. 1696- 1704 ,(2013) ,
10.2460/JAVMA.242.12.1696