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Original Article
Multiple births conceived by assisted reproductive technology in Korea
Young Sil Park, Sun Hee Choi, Kye Shik Shim, Ji Young Chang, Won Ho Hahn, Yong Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2010;53(10):880-885.   Published online October 31, 2010
Purpose

The recent trends of multiple births (MBs) conceived by assisted reproductive technology (ART) in Korea were analyzed as well as the relationship with maternal age, especially advanced maternal age.

Methods

Data were obtained from the Korean Statistical Information Service and annual ART reports from the ART committee of the Korean Society of Obstetrics and Gynecology.

Results

MBs increased from the early 1990s; there was...

Association of HLA-G gene promoter haplotype with childhood IgA nephropathy in the Korean population
Hwan Hee Jung, Won Ho Hahn, Byoung Soo Cho, Sung Do Kim
Clin Exp Pediatr. 2010;53(4):548-553.   Published online April 15, 2010
Purpose : IgA nephropathy (IgAN) is the most commonly occurring form of chronic glomerulonephritis in pediatric cases.Human leukocyte antigen (HLA) genes have been implicated in various inflammatory and autoimmune diseases. The present study was conducted to investigate the association between 2 single nucleotide polymorphisms (SNPs) of the HLA-G gene and childhood IgAN. Methods : The authors analyzed and compared HLA-G gene...
Case Report
A Case of Solitary Rectal Ulcer Syndrome
Won Ho Hahn, Eun Seong Kim, Hyo Jong Kim, Sung Ho Cha
Clin Exp Pediatr. 2004;47(8):896-899.   Published online August 15, 2004
Solitary rectal ulcer syndrome(SRUS) is a rare disorder in children. The incidence of SRUS is highest in young adults, and sex distribution is equal, or there may be a slight female predominance. There are few investigations about the exact incidences and effective treatment protocols of SRUS in children. The clinical symptoms and signs of SRUS are accompanied by rectal bleeding,...