Laura J. Sanborn “Long-term health risks and beneftis associated with spay/neuter in dogs” 2007

Margaret V. Root Kustritz “Determining the optimal age for gonadectmoy of dogs and cats” Javma 2007; 231

Hart et al. “Long-term health effects of neutering dogs: comparison of labrador retrievers with golden retrievers” Plos One 2014; 9:7

Spain et al. “Long-term risks and benefits of early-age gonadectomy in dogs” Javma 2004; 224:3

Hart B.L. “Effect of gonadectmy on subsequent development of age-related cognitive impairment in dogs” JAVMA 2001; 219:1

Teske et al. “Canine prostate carcinoma: epidemiological evidence of an increased risk in castrated dogs” Mol Cell Endocrinol 2002 197(1-2):251-5