title: Report of the working group on the possible relationship between hepatitis B vaccination and the chronic fatigue syndrome.
mesh_terms: D002170:Canada; D015673:Fatigue Syndrome, Chronic / Q000209:etiology* / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology / Q000517:prevention & control; D017325:Hepatitis B Vaccines / Q000009:adverse effects* / Q000276:immunology; D006801:Humans; D012307:Risk Factors
chemical_list: D017325:Hepatitis B Vaccines