Willis ZI, Nicholson MR, Esbenshade AJ, Xu M, Slaughter JC, Friedman DL, Edwards KM, Di Pentima MC. Intensity of Therapy for Malignancy and Risk for Recurrent and Complicated Clostridium difficile Infection in Children. J Pediatr Hematol Oncol. 2019 08; 41(6):442-447.