title: Analysis of L-tryptophan for the etiology of eosinophilia-myalgia syndrome--United States.
mesh_terms: D000079:Acetaldehyde / Q000009:adverse effects / Q000032:analysis*; D002487:Centers for Disease Control and Prevention, U.S.; D004340:Drug Contamination; D004802:Eosinophilia / Q000139:chemically induced*; D006801:Humans; D009135:Muscular Diseases / Q000139:chemically induced*; D014364:Tryptophan / Q000009:adverse effects / Q000032:analysis*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D014364:Tryptophan; D000079:Acetaldehyde