Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Georgia K. Johnson and Janet M. Guthmiller,The impact of cigarette smoking on periodontal disease and treatment,Periodontology 2000,0906-6713,Wiley,2007-05,44,1,178-194,https://cir.nii.ac.jp/crid/1360011145201571200,https://doi.org/10.1111/j.1600-0757.2007.00212.x