What does phenotype mean in the field of COPD?

MLA

Pistolesi, Massimo, et al. “What Does Phenotype Mean in the Field of COPD?” Hot Topics in Respiratory Medicine, no. 22, Sept. 2012, pp. 7–12. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=90124869&authtype=sso&custid=ns315887.

APA

Pistolesi, M., Bigazzi, F., Cestelli, L., Paoletti, M., & Camiciottoli, G. (2012). What does phenotype mean in the field of COPD? Hot Topics in Respiratory Medicine, 22, 7–12.

Chicago

Pistolesi, Massimo, Francesca Bigazzi, Lucia Cestelli, Matteo Paoletti, and Gianna Camiciottoli. 2012. “What Does Phenotype Mean in the Field of COPD?” Hot Topics in Respiratory Medicine, no. 22 (September): 7–12. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edb&AN=90124869&authtype=sso&custid=ns315887.