APA Zitierstil

Ekström, M. P., Jogréus, C., & Ström, K. E. (2012). Comorbidity and Sex-Related Differences in Mortality in Oxygen-Dependent Chronic Obstructive Pulmonary Disease. Public Library of Science.

Chicago Zitierstil

Ekström, Magnus P., Claes Jogréus, und Kerstin E. Ström. Comorbidity and Sex-Related Differences in Mortality in Oxygen-Dependent Chronic Obstructive Pulmonary Disease. Public Library of Science, 2012.

MLA Zitierstil

Ekström, Magnus P., Claes Jogréus, und Kerstin E. Ström. Comorbidity and Sex-Related Differences in Mortality in Oxygen-Dependent Chronic Obstructive Pulmonary Disease. Public Library of Science, 2012.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.