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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They generally come from outside the Skull such as tumors arising in the Nasal Cavity and Paranasal Sinuses (Lymphomas, Juvenile Angiofibroma, Esthesioneuroblastoma, Inverted Papilloma, and Nasopharyngeal Carcinoma).
http://www.w3.org/ns/prov#wasQuotedFrom	neurosurgerydallas.com