Source:http://linkedlifedata.com/resource/umls/id/C0686732
NCI: Health hazards at home, in the work place, or in nature (e.g., infectious agents, irritants, respiratory fibrotic agents, asphyxiants, allergens, metabolic poisons, physical agents, mutagens, teratogens, and carcinogens). (Winett et al: Health Psychology and Public Health)