APA

Xie M., Cui L., Liu J., Wang W., Li J. & Xiao W. (20210625). Impacts of Different Spirometry Reference Equations and Diagnostic Criteria on the Frequency of Airway Obstruction in Adult People of North China. : International journal of chronic obstructive pulmonary disease.

Chicago

Xie Mengshuang, Cui Liwei, Liu Jinhuan, Wang Wei, Li Jun and Xiao Wei. 20210625. Impacts of Different Spirometry Reference Equations and Diagnostic Criteria on the Frequency of Airway Obstruction in Adult People of North China. : International journal of chronic obstructive pulmonary disease.

Harvard

Xie M., Cui L., Liu J., Wang W., Li J. and Xiao W. (20210625). Impacts of Different Spirometry Reference Equations and Diagnostic Criteria on the Frequency of Airway Obstruction in Adult People of North China. : International journal of chronic obstructive pulmonary disease.

MLA

Xie Mengshuang, Cui Liwei, Liu Jinhuan, Wang Wei, Li Jun and Xiao Wei. Impacts of Different Spirometry Reference Equations and Diagnostic Criteria on the Frequency of Airway Obstruction in Adult People of North China. : International journal of chronic obstructive pulmonary disease. 20210625.