APA Style

al, F, W, E. (). EPOS 2012: European position paper on rhinosinusitis and nasal polyps 2012. A summary for otorhinolaryngologists . : .

MLA Style

al, Fokkens, WJ,, Et. "EPOS 2012: European position paper on rhinosinusitis and nasal polyps 2012. A summary for otorhinolaryngologists". : , . PRODUCT LITERATURE.