Van Roosenbeek, E A new method of aligning a light localizer-x-ray beam. [electronic resource] - The American journal of roentgenology, radium therapy, and nuclear medicine Jan 1973 - 175-7 p. digital Publication Type: Journal Article ISSN: 0002-9580 Standard No.: 10.2214/ajr.117.1.175 doi Subjects--Topical Terms: Technology, Radiologic