Horner's Syndrome Due to First-Order Neuron Lesions of the Oculosympathetic Pathway
AJR 169:581-584, Nagy,A.N.,et al, 1997
Primary Medullary Hemorrhage:Report of Four Cases and Review of the Literature
Stroke 25:1684-1687, Barinagarrementeria,F.&Cantu,C., 1994