Sandbox:FB
{{cite book |last1=Romeo |first1=Jonathan |last2=Dykewicz |first2=Mark |title=Diseases of the Sinuses |publisher=Springer New York |date=2014 |pages=133-152 |chapter=Chapter 9:Differential Diagnosis of Rhinitis and Rhinosinusitis |isbn=978-1-4939-0265-1}}
{{cite book |last=Jeffrey |first=Hurwitz |title=Ophthalmology |publisher=Elsevier saunders |date=2014 |chapter=The Lacrimal Drainage System|isbn=978-1-4557-5001-6}}