Exposure to opioids and benzodiazepines in preterm infants with and without major operative procedures

Lena S. Sun, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States; Jennifer Busse, New York Presbyterian Hospital, New York, NY, United States; Ann Kim, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States; Aditi Lahiri, Kaiser Permanente Division of Research, Berkeley, CA, United States; Michael W. Kuzniewicz, Kaiser Permanente Northern California, Los Gatos, CA, United States; Shawn Jackson, Boston Children's Hospital, Boston, MA, United States; Caleb Ing, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States