Clinical Manifestations, Pathologic Features, and Diagnosis of Langerhans Cell Histiocytosis
UptoDate Oct. 2014, McClain, K.L., 2014
Intravascular Malignant Histiocytosis Mimicking CNS Vasculitis:An Immunopath. Diag. Approach
Ann Neurol 12:489-492, Krieger,C.,et al, 1982