APA način citiranja

Lu, H., & Liao, K. (2018). Risk of empyema in patients with COPD. Int J Chron Obstruct Pulmon Dis.

Čikaški stil citiranja

Lu, Hsueh-Yi, i Kuang-Ming Liao. "Risk of Empyema in Patients With COPD." Int J Chron Obstruct Pulmon Dis 2018.

MLA način citiranja

Lu, Hsueh-Yi, i Kuang-Ming Liao. "Risk of Empyema in Patients With COPD." Int J Chron Obstruct Pulmon Dis 2018.

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