Salivary cortisol is not associated with dexamethasone response in preterm infants with evolving bronchopulmonary dysplasia. - Lewis T; Jensen EA; Courtney S; Slaughter J; Kielt MJ; Iyer NP; Gauldin C; Nitkin C; Yeh HW; Truog W (Journal of perinatology : official journal of the California Perinatal Association, 2026)