Sildenafil to improve respiratory rehabilitation outcomes in COPD: a controlled trial.

MLA

Blanco, Isabel, et al. “Sildenafil to Improve Respiratory Rehabilitation Outcomes in COPD: A Controlled Trial.” The European Respiratory Journal, vol. 42, no. 4, Oct. 2013, pp. 982–92. EBSCOhost, https://doi.org/10.1183/09031936.00176312.

APA

Blanco, I., Santos, S., Gea, J., Güell, R., Torres, F., Gimeno-Santos, E., Rodriguez, D. A., Vilaró, J., Gómez, B., Roca, J., & Barberà, J. A. (2013). Sildenafil to improve respiratory rehabilitation outcomes in COPD: a controlled trial. The European Respiratory Journal, 42(4), 982–992. https://doi.org/10.1183/09031936.00176312

Chicago

Blanco, Isabel, Salud Santos, Joaqím Gea, Rosa Güell, Ferran Torres, Elena Gimeno-Santos, Diego A Rodriguez, et al. 2013. “Sildenafil to Improve Respiratory Rehabilitation Outcomes in COPD: A Controlled Trial.” The European Respiratory Journal 42 (4): 982–92. doi:10.1183/09031936.00176312.