Ariel A. Salas, MD, MSPH, Emily Gunawan, MD, Kelly Nguyen, BS, Audrey Reeves, BSN, RN, Victoria Argent, MS, RD, Amber Finck, MPH, RD, Waldemar A. Carlo, MD Early Human Milk Fortification in Infants Born Extremely Preterm: A Randomized Trial. PEDIATRICS Volume 152, number 3, September 2023:e2023061603