Unlocking The Efficacy of Tetrahydrobiopterin (BH4) Towards Metabolic Profile and Growth Status in Children with Phenylketonuria: A Meta Analysis. (2025). Archives of Pediatric Gastroenterology, Hepatology, and Nutrition, 4(3), 111-128. https://doi.org/10.58427/apghn.4.3.2025.111-128