Clinical Manifestations, Pathologic Features, and Diagnosis of Langerhans Cell Histiocytosis
UptoDate Oct. 2014, McClain, K.L., 2014
MR of CNS Sarcoidosis:Correlation of Imaging Features to Clinical Symptoms and Response to Treatment
AJNR 20:655-669, Christoforidis,G.A.,et al, 1999
Neurologic Manifestations in Sarcoidosis
Ann Int Med 87:336, Delaney,P., 1977