title: Letter to World Health Organization, International Labor Office, United Nations Environment Program, and International Program on Chemical Safety.
mesh_terms: D002617:Chemical Industry; D004787:Environmental Pollution / Q000517:prevention & control*; D015386:Hazardous Substances / Q000009:adverse effects; D006801:Humans; D007391:International Cooperation; D018570:Risk Assessment; D017751:Safety Management; D014480:United Nations; D014944:World Health Organization
chemical_list: D015386:Hazardous Substances