نتایج جستجو برای: ray methods

تعداد نتایج: 2121726  

Journal: :journal of dental research, dental clinics, dental prospects 0
farzaneh kaviani farzad esmaeili esrafil balaei nahid pourfattollah

background and aims. the aim of this study was to evaluate x-ray protection methods in dental offices in tabriz. materials and methods. in this study 142 dental offices were evaluated. a questionnaire-based method was used. the data was analyzed by descriptive methods. results. the least commonly used methods were leaded walls (4.9%) and film badges (16.9%) and the most commonly used methods we...

Journal: :JAMA: The Journal of the American Medical Association 1900

Journal: :Acta Crystallographica Section A Foundations and Advances 2020

Journal: :Journal of the Society of Powder Technology, Japan 1987

Journal: :Acta Crystallographica Section A Foundations and Advances 2017

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