Horner's Syndrome Due to First-Order Neuron Lesions of the Oculosympathetic Pathway
AJR 169:581-584, Nagy,A.N.,et al, 1997
Horner's Syndrome Due to Hypothalamic Infarction, Clinical, Radiologic, & Pathologic Correlations
Arch Neurol 43:119-200, Stone,W.M.,et al, 1986