SCHLOSSHAUER, B [The results of inverted axial roentgen pictures and direct enlargements in frontal sinus diagnosis]. [electronic resource] - Fortschritte auf dem Gebiete der Rontgenstrahlen May 1955 - 674-9 p. digital Publication Type: Journal Article Subjects--Topical Terms: Frontal Sinus--diagnostic imagingHumansHypertrophyParanasal SinusesRadiography