Cita APA

Hillas, G., Perlikos, F., Tsiligianni, I., & Tzanakis, N. (2015). Managing comorbidities in COPD. Int J Chron Obstruct Pulmon Dis.

Chicago Style Citation

Hillas, Georgios, Fotis Perlikos, Ioanna Tsiligianni, i Nikolaos Tzanakis. "Managing Comorbidities in COPD." Int J Chron Obstruct Pulmon Dis 2015.

Cita MLA

Hillas, Georgios, Fotis Perlikos, Ioanna Tsiligianni, i Nikolaos Tzanakis. "Managing Comorbidities in COPD." Int J Chron Obstruct Pulmon Dis 2015.