Langland, O E A study of radiographic longitudinal distortion of anterior teeth using the paralleling technique. [electronic resource] - Oral surgery, oral medicine, and oral pathology Dec 1966 - 737-49 p. digital Publication Type: Journal Article ISSN: 0030-4220 Standard No.: 10.1016/0030-4220(66)90363-x doi Subjects--Topical Terms: Cuspid--diagnostic imagingHumansIncisor--diagnostic imagingRadiographyTechnology, Radiologic