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Avril M, Hartmann O, Valteau-Couanet D, Brugieres L, Kalifa C, Lemerle J.Avril M, et al. Among authors: lemerle j.Pediatr Hematol Oncol. 1994 Jan-Feb;11(1):63-73. doi: 10.3109/08880019409141902.Pediatr Hematol Oncol. 1994.PMID: 8155502Clinical Trial.