Relapse after nonmetastatic rhabdomyosarcoma: Salvage rates and prognostic variables.
Bergamaschi L, Chiaravalli S, Livellara V, Sironi G, Puma N, Nigro O, Gattuso G, Luksch R, Terenziani M, Spreafico F, Meazza C, Podda M, Biassoni V, Schiavello E, Hovsepyan S, Morosi C, Vennarini S, Massimino M, Casanova M, Ferrari A.