1. Histiocytosis X, integration of eosinophilic granuloma of bone, Letterer-Siwe disease and Schüller- Christian disease as related manifestations of a sigle nosologic entity;Lichtenstein;Arch Pathol,1953
2. Histiocytosis X. Histogenetic arguments for a Langerhans cell origin;Nezelof;Biomedicine,1973
3. Histiocytosis syndromes in children;Lancet,1987
4. Contemporary classification of histiocytic disorders. The WHO committee on histiocytic/reticulum cell proliferations;Favara;Med Pediatr Oncol,1997
5. Association of Langerhans cell histiocytosis with malignant neoplasms;Egeler;Cancer,1993