title: QSARs promote more efficient use of chemical testing resources--carpe diem.
authors.forename: John D
authors.initials: JD
authors.lastname: Walker
mesh_terms: D003362:Cost-Benefit Analysis; D004785:Environmental Pollutants / Q000494:pharmacology / Q000633:toxicity*; D006801:Humans; D021281:Quantitative Structure-Activity Relationship; D018675:Toxicity Tests / Q000191:economics / Q000379:methods; D014481:United States
chemical_list: D004785:Environmental Pollutants