@article {Collier:2003:1080-7039:15, title = "Establishing Causal Relationships between Environmental Stressors and Biological Effects in Field Studies", journal = "Human and Ecological Risk Assessment", parent_itemid = "infobike://tandf/bher", publishercode ="tandf", year = "2003", volume = "9", number = "1", publication date ="2003-01-01T00:00:00", pages = "15-15", itemtype = "ARTICLE", issn = "1080-7039", eissn = "1549-7860", url = "https://www.ingentaconnect.com/content/tandf/bher/2003/00000009/00000001/art00003", doi = "doi:10.1080/713609849", author = "Collier, Tracy K. and Adams, S. Marshall", abstract = "", }