المؤلفون: Rettmer, Helen, Deb, Amrita, Watson, Ryan, Hatt, Jean-Michel, Hammer, Sven

المصدر: Journal of Avian Medicine and Surgery, 2011 Dec 01. 25(4), 254-258.

الوصول الحر: https://www.jstor.org/stable/41496979Test

المؤلفون: Deb, Amrita, Foldenauer, Ulrike, Borjal, Raffy Jim, Streich, W. Jürgen, Lüken, Caroline, Johne, Reimar, Müller, Hermann, Hammer, Sven

المصدر: Journal of Avian Medicine and Surgery, 2010 Sep 01. 24(3), 192-198.

الوصول الحر: https://www.jstor.org/stable/40984725Test

المؤلفون: Foldenauer, Ulrike, Borjal, Raffy Jim, Deb, Amrita, Arif, Abdi, Taha, Abid Sharif, Watson, Ryan William, Steinmetz, Hanspeter, Bürkle, Marcellus, Hammer, Sven

المصدر: Journal of Avian Medicine and Surgery, 2007 Dec 01. 21(4), 275-282.

الوصول الحر: https://www.jstor.org/stable/40236594Test