Pession A, Castellini C, Prete A, Locatelli F, Urbini B, Paolucci G
Department of Pediatrics, University of Bologna, Ospedale Sant'Orsola, Bologna, Italy.
Med Pediatr Oncol. 2000 Oct;35(4):434-5. doi: 10.1002/1096-911x(20001001)35:4<434::aid-mpo10>3.0.co;2-e.