Reduction of x-ray dose by variable rectangular collimation and reflex optical direction of dental x-ray beams and by the supine position of the patient.
作者信息
Baum A T, Morgan E
出版信息
J Am Dent Assoc. 1972 Nov;85(5):1091-8. doi: 10.14219/jada.archive.1972.0460.
Abstract
摘要
Zotero 插件