👤 Kim, Sang Woo Keywords 🔗 previously described (38) 🔗 causative agent (117) 🔗 respiratory tract (344) 🔗 acute respiratory (1734) 🔗 tract infections (83) 🔗 nasopharyngeal aspirate (38) Articles (1) Human Coronavirus-NL63 infections in Korean children, 2004-2006 👤 Han, Tae Hee 👤 Chung, Ju Young 👤 Kim, Sang Woo 👤 Hwang, Eung Soo ⏰ 2007 📚 Journal of Clinical Virology