Nonsurgical fertility control for managing free - roaming dog populations: A review of products and criteria for field applications Giovanna Massei and Lowell A. Miller: Theriogenology 80 (2013) 829 — 838 (calciumchloridecastration.com)
Oddly, though, under the thrall of the religious right, the Bush Administration has turned its back on fertility control in poor countries, to the detriment of America's own national security and economic wellbeing in the decades ahead. (scientificamerican.com)