title: The angry back syndrome--a retrospective study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010328:Patch Tests / Q000379:methods*; D012189:Retrospective Studies; D012882:Skin Tests / Q000379:methods*; D013577:Syndrome