title: Pain in chronic multiple sclerosis.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000503:physiopathology*; D010146:Pain / Q000503:physiopathology*; D011795:Surveys and Questionnaires