Contemporary classification of histiocytic disorders. The WHO Committee on Histiocytic/Reticulum Cell Proliferations. Reclassification Working Group of the Histiocyte Society. - Favara ,B.E.; Feller ,A.C.; Pauli ,M.; Jaffe ,E.S.; Weiss ,L.M.; Arico ,M.; Bucsky ,P.; Egeler ,R.M.; Elinder ,G.; Gadner ,H.; Gresik ,M.; Henter ,J.; et al. (Med Ped Oncol, 1997)