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Grupp SA, Stern JW, Bunin N, Nancarrow C, Adams R, Gorlin JB, Griffin G, Diller L.Grupp SA, et al.Med Pediatr Oncol. 2000 Dec;35(6):696-700. doi: 10.1002/1096-911x(20001201)35:6<696::aid-mpo46>3.0.co;2-0.Med Pediatr Oncol. 2000.PMID: 11107149Clinical Trial.