Fractional exhaled nitric oxide and forced expiratory flow between 25% and 75% of vital capacity in children with controlled asthma by Ji-Yong Yoon, Sung-Il Woo, Heon Kim, Yong-Han Sun, Youn-Soo Hahn

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Higher prevalence of rotavirus infection among out-born newborns transferred to a regional neonatal intensive care unit in Korea by Yoo-Jin Kim, Ji Hyuk Lee, Joon Kee Lee, Shin Ae Yoon, Sung-Il Woo

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Clinical similarities between influenza A and B in children: a single-center study, 2017/18 season, Korea by Yu Na Oh, San Kim, Young Bae Choi, Sung Il Woo, Youn-Soo Hahn, Joon Kee Lee

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Clinical characteristics of acute lower respiratory tract infections due to 13 respiratory viruses detected by multiplex PCR in children by Jeong-Sook Lim, Sung-Il Woo, Hyuk-Il Kwon, Hyuk-Il Kwon, Young-Ki Choi, Youn-Soo Hahn

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Evidence-based management guidelines for noncystic fibrosis bronchiectasis in children and adolescents by Eun Lee, Kyunghoon Kim, You Hoon Jeon, In Suk Sol, Jong Deok Kim, Taek Ki Min, Yoon Ha Hwang, Hyun-Ju Cho, Dong In Suh, Hwan Soo Kim, Yoon Hee Kim, Sung-Il Woo, Yong Ju Lee, Sungsu Jung, Hyeon-Jong Yang, Gwang Cheon Jang

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