TThe Journal of Pediatrics3/3/2026The Child Opportunity Index and Pediatric Hospitalizations: Are ZIP Codes Good Enough?Alexander Hogan·Andrew F. Beck·Natalie Grills·Matt Hall·Mark Zamani·Clemens Noelke·Mitch Harris·Molly KragerRead at The Journal of PediatricsTagsCongenital Heart Disease StudiesEpidemiology