Escalation and De-Escalation Strategy for Initiating Antibiotics in Patients with Pediatric Cancer: A Prospective Observational Study - Abhishek Charan; Gargi Das; Prasanth Srinivasan; Balaji Thiruvengadam Kothandan; Varalakshmi Vijayakumar; Venkatraman Radhakrishnan (Indian Journal of Medical and Paediatric Oncology)