Diagnostic possibility of the combination of exhaled nitric oxide and blood eosinophil count for eosinophilic asthma oleh Jiang-Hua Li, Rui Han, Yu-Bo Wang, Min Cheng, Heng-Yi Chen, Wen-Hui Lei, Li Li, Chen Gao, Na-Na Zhao, Nai-Fu Nie, Zhong-Yan Li, Guo-Qing Yin, Shuai Huang, Yong He