Mark A Giembycz & Stephen K Field. (2010). Roflumilast: First phosphodiesterase 4 inhibitor approved for treatment of COPD. Dove Medical Press.
Chicago Style (17th ed.) CitationMark A Giembycz and Stephen K Field. Roflumilast: First Phosphodiesterase 4 Inhibitor Approved for Treatment of COPD. Dove Medical Press, 2010.
MLA (9th ed.) CitationMark A Giembycz and Stephen K Field. Roflumilast: First Phosphodiesterase 4 Inhibitor Approved for Treatment of COPD. Dove Medical Press, 2010.
Warning: These citations may not always be 100% accurate.