By Friede T.   Kieser M.   in Journal of Epidemiology and Biostatistics

ISSN:1359-5229|6|4|317-324

Taylor & Francis Ltd‎(2001)‎

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By Kieser M. S.   Fang F.   Hall D. L.   Ott N. C.   Hippensteel S. C.   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2005|3|1375-1386

Water Environment Federation‎(2005)‎

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