Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Norman Harden and Mitchell Cohen,Unmet Needs in the Management of Neuropathic Pain,Journal of Pain and Symptom Management,0885-3924,Elsevier BV,2003-05,25,5,S12-S17,https://cir.nii.ac.jp/crid/1360011145673979264,https://doi.org/10.1016/s0885-3924(03)00065-4