呼出气一氧化氮与支气管哮喘-慢性阻塞性肺疾病重叠关系的研究进展
孙健,沈巨信
Research Progress in Fractional Exhaled Nitric Oxide and Asthma-chronic Obstructive Pulmonary Disease Overlap Syndrome 
SUN Jian,SHEN Juxin
中国全科医学 . 2019, (15): 1879 -1883 .  DOI: 10.12114/j.issn.1007-9572.2018.00.416