Evaluation of ticarcillin/clavulanic acid versus ceftriaxone plus amikacin for fever and neutropenia in pediatric patients with leukemia and lymphoma oleh Antonio Sérgio Petrilli, Monica Cypriano, Lenice Silva Dantas, Lúcia Martino Lee, Maria Flávio Augusto Vercillo Luisi, Katia Veronica Torres B. Silva, Carlos Alberto Pires Pereira