title: Fifty shades of pain.
mesh_terms: D015415:Biomarkers / Q000032:analysis / Q000097:blood; D005006:Ethnicity; D006801:Humans; D059906:Neuroimaging; D010146:Pain / Q000175:diagnosis* / Q000208:ethnology / Q000503:physiopathology* / Q000523:psychology; D010147:Pain Measurement / Q000379:methods*; D018579:Patient Selection; D012067:Religion
chemical_list: D015415:Biomarkers