RT Book, Section SR Electronic(1) A1 {en=Yvonne van Zeeland} YR 2016 T1 Reproductive disease in birds T2 BSAVA Congress Proceedings 2016 PB British Small Animal Veterinary Association DO 10.22233/9781910443446.6.2 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443446.ch06sec2