title: Risk assessment of chemical mixtures: biologic and toxicologic issues.
authors.affiliation: U.S. Environmental Protection Agency, Cincinnati, Ohio 45241.
authors.forename: M M
authors.initials: MM
authors.lastname: Mumtaz
authors.forename: I G
authors.initials: IG
authors.lastname: Sipes
authors.forename: H J
authors.initials: HJ
authors.lastname: Clewell
authors.forename: R S
authors.initials: RS
authors.lastname: Yang
mesh_terms: D000818:Animals; D004785:Environmental Pollutants / Q000633:toxicity*; D015386:Hazardous Substances / Q000633:toxicity*; D006801:Humans; D012307:Risk Factors
chemical_list: D004785:Environmental Pollutants; D015386:Hazardous Substances