Gobbi P, Broglia C, Berte R, Petrilli M, Molica S, Angrilli F, Iannitto E, Ghirardelli M, Di Renzo N, Cavanna L, Ascari E. Lomustine and melphalan cannot be replaced by cyclophosphamide and etoposide without reducing efficacy in MOPPEBVCAD chemotherapy for advanced Hodgkin’s disease. Haematologica 2000; 85(7):722-728.