Does Piperacillin-Tazobactam Increase Mortality Risk Compared With Cefepime? Collider Bias and the Importance of Assumptions in Instrumental Variable Analyses. (academic.oup.com)

Authors: Hamilton F … Butler-Laporte G Journal: Clinical Infectious Diseases Published: 2026-02-09 DOI: https://doi.org/10.1093/cid/ciaf317