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Original Article
Pulmonology
Effect of vitamin C supplement in treatment of childhood pneumonia requiring hospitalization: a randomized controlled trial
Chutima Phuaksaman, Katechan Jampachaisri, Klaita Srisingh
Clin Exp Pediatr. 2025;68(9):690-699.   Published online April 1, 2025
This study assessed the effects of vitamin C on children with community-acquired pneumonia (CAP). Vitamin C supplementation improved clinical symptoms within 48–72 hours compared to placebo but did not reduce the length of hospital stay (LOS). These findings suggest that vitamin C is beneficial for managing CAP severity, but does not affect LOS.
Review Article
Oxidative stress and the antioxidant enzyme system in the developing brain
So-Yeon Shim, Han-Suk Kim
Clin Exp Pediatr. 2013;56(3):107-111.   Published online March 18, 2013

Preterm infants are vulnerable to the oxidative stress due to the production of large amounts of free radicals, antioxidant system insufficiency, and immature oligodendroglial cells. Reactive oxygen species (ROS) play a pivotal role in the development of periventricular leukomalacia. The three most common ROS are superoxide (O2•-), hydroxyl radical (OH), and hydrogen peroxide (H2O2). Under normal physiological conditions, a balance...



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