Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
OBERHOLZER TG,The effects of light intensity and method of exposure on the hardness of four light-cured dental restorative materials,Int Dent J,,,2003,53,,211-215,https://cir.nii.ac.jp/crid/1570291225568204288,