"Salt and Pepper" in the Eye and Face: A Prelude to Brainstem Ischemia
Am J Ophthalmol 144:322-325, Conforto, A.B.,et al, 2007
Pathological Yawning as a Presenting Symptom of Brain Stem Ischaemia in Two Patients
JNNP 77:98-100,3, Cattaneo,L.,et al, 2006