The International Neuroblastoma Risk Group (INRG) classification system: an INRG Task Force report.

Cohn SL, Pearson AD, London WB, Monclair T, Ambros PF, Brodeur GM, Faldum A, Hero B, Iehara T, Machin D, Mosseri V, Simon T, Garaventa A, Castel V, Matthay KK, INRG Task Force