title: The roentgen appearance of the anterior wall of the sulcus sigmoideus.
authors.forename: E
authors.initials: E
authors.lastname: SELANDER
mesh_terms: D006801:Humans; D010256:Paranasal Sinuses; D011859:Radiography; D054064:Transverse Sinuses / Q000000981:diagnostic imaging*
keywords: LATERAL SINUS/roentgenography