By Wambach Paul F.   Tuggle Richard M.   in Applied Occupational and Environmental Hygiene

ISSN:1521-0898|15|7|581-587

Taylor & Francis Ltd‎(2000)‎

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By Davis Charles B.   Wambach Paul F.   in Journal of Occupational and Environmental Hygiene

ISSN:1545-9624|12|5|342-349

Taylor & Francis Ltd‎(2015)‎

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By Hawks Catharine   Makos Kathryn   Bell Deborah   Wambach Paul F.   Burroughs G. Edward   in Taxon

ISSN:1996-8175|53|3|783-790

International Association for Plant Taxonomy‎(2004)‎

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