Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fukai Kiyoko and Ohnakado Hiroko,Comparison of Pain Threshold in Skin Areas Usually Used for Injection,Journal of Japan Society of Nursing Research,2188-3599,Japan Society of Nursing Research,1992,15,3,3_39-3_46,https://cir.nii.ac.jp/crid/1390001205743413120,https://doi.org/10.15065/jjsnr.19920701004