APA

Amra B., Golshan M., Fietze I., Penzel T. & Welte T. (20121002). Correlation between chronic obstructive pulmonary disease and obstructive sleep apnea syndrome in a general population in Iran. : Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences.

Chicago

Amra Babak, Golshan Mohammad, Fietze Ingo, Penzel Thomas and Welte Tobias. 20121002. Correlation between chronic obstructive pulmonary disease and obstructive sleep apnea syndrome in a general population in Iran. : Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences.

Harvard

Amra B., Golshan M., Fietze I., Penzel T. and Welte T. (20121002). Correlation between chronic obstructive pulmonary disease and obstructive sleep apnea syndrome in a general population in Iran. : Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences.

MLA

Amra Babak, Golshan Mohammad, Fietze Ingo, Penzel Thomas and Welte Tobias. Correlation between chronic obstructive pulmonary disease and obstructive sleep apnea syndrome in a general population in Iran. : Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences. 20121002.