APA aipamena

Puhan, M. A., Bachmann, L. M., Kleijnen, J., ter Riet, G., & Kessels, A. G. (2009). Inhaled drugs to reduce exacerbations in patients with chronic obstructive pulmonary disease: A network meta-analysis. BioMed Central.

Chicago Style aipamena

Puhan, Milo A., Lucas M. Bachmann, Jos Kleijnen, Gerben ter Riet, and Alphons G. Kessels. Inhaled Drugs to Reduce Exacerbations in Patients With Chronic Obstructive Pulmonary Disease: A Network Meta-analysis. BioMed Central, 2009.

MLA aipamena

Puhan, Milo A., et al. Inhaled Drugs to Reduce Exacerbations in Patients With Chronic Obstructive Pulmonary Disease: A Network Meta-analysis. BioMed Central, 2009.