APA (7th ed.) Citation

Polkey, M. I., & Hopkinson, N. S. (2006). Bronchoscopic lung volume reduction. European Respiratory Society.

Chicago Style (17th ed.) Citation

Polkey, M. I., and N. S. Hopkinson. Bronchoscopic Lung Volume Reduction. European Respiratory Society, 2006.

MLA (9th ed.) Citation

Polkey, M. I., and N. S. Hopkinson. Bronchoscopic Lung Volume Reduction. European Respiratory Society, 2006.

Warning: These citations may not always be 100% accurate.