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Review Article
Gastroenterology
Changing prevalence of Helicobacter pylori infection in children and adolescents
Ji Sook Park, Jin Su Jun, Ji-Hyun Seo, Hee-Shang Youn, Kwang-Ho Rhee
Clin Exp Pediatr. 2021;64(1):21-25.   Published online July 15, 2020
Although Helicobacter pylori infection rate in children is unclear due to diversity and limitation of diagnostic tests unlike in adults, investigation the childhood prevalence is important for predicting H. pylori-related diseases in the future.
H. pylori infection occurred in early childhood, and declined during 30 years in our study.
Change in risk factors of H. pylori transmission and consensus for eradication therapy in children might further reduce the infection rate.
Antibiotics resistance of Helicobacter pylori and treatment modalities in children with H. pylori infection
Ji-Hyun Seo, Hyang-Ok Woo, Hee-Shang Youn, Kwang-Ho Rhee
Clin Exp Pediatr. 2014;57(2):67-71.   Published online February 24, 2014

Pediatric infection with Helicobacter pylori may occur early in childhood and persist lifelong. Global pediatric clinical studies have reported a decreasing tendency in the overall rate of H. pylori eradication. In pediatric patients with H. pylori infection, pediatric patients with peptic ulcer, and the first-degree relatives of patients with a history of gastric cancer, it is commonly recommended that H....

Original Article
Whole Blood and Plasma Vitamin C Concentrations in Children of 1-6 Years of Age in the Chinju Area
Hyang-Ok Woo, Jin-Su Jun, Ji-Hoe Park, Young-Suk Kim, Eun-A Kim, Jae-Young Lim, Myoung-Bum Choi, Chan-Hoo Park, Hee-Shang Youn, Gyung-Hyuck Ko, Chan-Hoo Park, Woo-Kon Lee, Myung-Je Cho, Kwang-Ho Rhee
Clin Exp Pediatr. 2001;44(5):501-508.   Published online May 15, 2001
Purpose : Vitamin C among antioxidants in human is a physiological antioxidant for protection against diseases. We measured the vitamin C concentrations of whole blood and plasma among children in early childhood at normal condition in order to know the presence of vitamin C deficiency. Methods : The venous blood was collected from 471 subjects at 1-6 years of ages in...
Whole Blood and Plasma Vitamin C Level in Healthy Middle and High School Students in Chinju
Yang-Suk Jung, Jae-Young Lim, Eun-A Kim, Yun-Kyeong Cho, Chan-Hoo Park, Hyang-Ok Woo, Hee-Shang Youn, Gyung-Hyuck Ko, Seung-Chul Baik, Woo-Kon Lee, Myung-Je Cho, Kwang-Ho Rhee
Clin Exp Pediatr. 1999;42(6):748-755.   Published online June 15, 1999
Purpose : Recommended dietary allowance of vitamin C was determined without considering the important function of vitamin C as a first-line antioxidant. We measured the whole blood and plasma vitamin C concentrations of healthy middle and high school students in Chinju to assess the optimal daily vitamin C requirement in these age groups. Methods : Whole blood and plasma vitamin C...
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