- Multiple births conceived by assisted reproductive technology in Korea
- Young Sil Park, Sun Hee Choi, Kye Shik Shim et al.
- Clin Exp Pediatr. 2010;53(10):880-885.
- Association of HLA-G gene promoter haplotype with childhood IgA nephropathy in the Korean population
- Hwan Hee Jung, Won Ho Hahn, Byoung Soo Cho et al.
- Clin Exp Pediatr. 2010;53(4):548-553.
- A Case of Solitary Rectal Ulcer Syndrome
- Won Ho Hahn, Eun Seong Kim, Hyo Jong Kim et al.
- Clin Exp Pediatr. 2004;47(8):896-899.