Clinical Presentation, Pathologic Features, and Diagnosis of Primary Central Nervous System Lymphoma
Up to Date Sept 2010, Hochberg,F.H.,et al, 2010
Abnormal Hemoglobin as a Cause of Neurolic Disease
Neurol 12:114, Greer,M.,et al, 1962
High-Altitude Retinopathy
JAMA 245:581-586, McFadden,D.M.,et al, 1981