Importance of Reviewing Antibiotic Courses by 48 Hours: Risk Factors for Third-Generation Cephalosporin Resistance Among AmpC Harboring Organisms in Urine and Respiratory Cultures. - Stultz JS; Bice T; Johnstone K; Stuart CM; Shelton CM; Arnold SR; Bagga B; Lee KR (The Pediatric infectious disease journal, 2021)