title: Alleged link between hepatitis B vaccine and chronic fatigue syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D002170:Canada; D002648:Child; D002675:Child, Preschool; D015673:Fatigue Syndrome, Chronic / Q000209:etiology*; D005260:Female; D017325:Hepatitis B Vaccines; D006801:Humans; D008297:Male; D008875:Middle Aged; D011358:Product Surveillance, Postmarketing; D012189:Retrospective Studies; D014761:Viral Hepatitis Vaccines / Q000009:adverse effects*
chemical_list: D017325:Hepatitis B Vaccines; D014761:Viral Hepatitis Vaccines