Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Andrew Steptoe and Michael Ussher,"Smoking, cortisol and nicotine",International Journal of Psychophysiology,0167-8760,Elsevier BV,2006-03,59,3,228-235,https://cir.nii.ac.jp/crid/1362544418630330880,https://doi.org/10.1016/j.ijpsycho.2005.10.011