Boydell P
Animal Medical Centre Referral Services, Manchester.
J Small Anim Pract. 1995 Sep;36(9):382-4. doi: 10.1111/j.1748-5827.1995.tb02958.x.
A prospective study was made of cases of idiopathic Horner's syndrome in dogs referred to the author. Over a six-year period the condition was recorded in 62 golden retrievers. Examination suggested that the lesions affected the preganglionic neuron.