1. M Mohri, R Narenji Sani, R Masoodi, "Trop Anim Health Prod." 41, "Plasma biochemistry of ostrich (Struthio camelus): effects of anticoagulants and comparison with serum." 845 (2009)
2. PS. Wakenell, "Schalm's Veterinary Hematology." "Hematology of chickens and turkeys." 958 (2010)
3. DS Young and EW Bermes "Tietz Textbook of Clinical Chemistry." "Specimen collection and processing: sources of biological variation." 42 (1999)
4. TW. Campbell, "Veterinary Hematology and Clinical Chemistry." "Clinical chemistry of birds." 238 (2012)
5. TW Campbell and CK Ellis "Avian and Exotic Animal Hematology and Cytology." (2007)