👤 Chang, H L Keywords Articles (1) [First case of 2019 novel coronavirus infection in children in Shanghai]. 👤 Cai, J H 👤 Wang, X S 👤 Ge, Y L 👤 Xia, A M 👤 Chang, H L 👤 Tian, H 👤 Zhu, Y X 👤 Wang, Q R 👤 Zeng, J S ⏰ 2020 📚 Zhonghua Er Ke Za Zhi