RT Book, Section SR Electronic(1) A1 MacFarlaine, Ian A1 Gibson, Andy YR 2018 T1 Concepts in free-roaming population control T2 BSAVA Manual of Canine and Feline Shelter Medicine PB British Small Animal Veterinary Association DO 10.22233/9781910443330.4 UL https://www.bsavalibrary.com/content/chapter/10.22233/9781910443330.ch04