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2. Dogs, zoonoses and public health;Macpherson,2012
3. Free-roaming dogs in developing countries: the benefits of capture, neuter, and return programs;Jackman,2007
4. Non-reproductive effects of spaying and neutering: effects on the urogenital system;Verstegen-Onclin,2006
5. Nonsurgical fertility control for managing free-roaming dog populations: a review of products and criteria for field applications;Massei;Theriogenology,2013