A comparison of clinical features between rhinovirus and respiratory syncytial virus infection in lower respiratory tract in children SUN Qiufeng, CHEN Zhengrong, HUANG Li, ZHU Canhong, WANG Yuqing, WANG Meijuan, JI Wei, SHAO Xuejun, YAN Yongdong (Department of Respiratory Medicine, Children's Hospital Affiliated to Soochow University, Suzhou 215003, Jiangsu, China)