Zhaoning, X. (2023). Efficacy and safety of long-term use of a positive expiratory pressure device in chronic obstructive pulmonary disease patients, a randomized controlled trial. Springer.
Trích dẫn theo kiểu ChicagoZhaoning, Xu. Efficacy and Safety of Long-term Use of a Positive Expiratory Pressure Device in Chronic Obstructive Pulmonary Disease Patients, a Randomized Controlled Trial. Springer, 2023.
Trích dẫn MLAZhaoning, Xu. Efficacy and Safety of Long-term Use of a Positive Expiratory Pressure Device in Chronic Obstructive Pulmonary Disease Patients, a Randomized Controlled Trial. Springer, 2023.
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