Clinical Manifestations, Pathologic Features, and Diagnosis of Langerhans Cell Histiocytosis
UptoDate Oct. 2014, McClain, K.L., 2014
MR Imaging Presentation of Intracranial Disease Associated with Langerhans Cell Histiocytosis
AJNR 25:880-891, Prayer, D.,et al, 2004
Radicular Compression in Multifocal Eosinophilic Granuloma
Arch Neurol 34:786, Eil,C.,et al, 1977