Judy C. Helgen

Statistics

Publications

Citations

449

H-Index

Active since

1987

Affiliations

National Institute of Environmental Health Sciences(Current)

Minnesota Pollution Control Agency

United States Geological Survey

Judy C. Helgen is an author at National Institute of Environmental Health Sciences specializing in life sciences, amphibian toxicology, and herpetology.

Publications per year

1987–2000

Publications

Hind limb malformations in free-living northern leopard frogs (Rana pipiens) from Maine, Minnesota, and Vermont suggest multiple etiologies

Carol U. Meteyer, Ivonne Loeffler, John F. Fallon et al. · Teratology · 2000 · 91 citations

Life Sciences, Zoology, Animal Anatomy +16

Strategies for assessing the implications of malformed frogs for environmental health.

James G. Burkhart, Gerald T. Ankley, Heidi Bell et al. · Environmental Health Perspectives · 2000 · 90 citations · Full text

Veterinary Medicine, Environmental Sciences, Toxicology +16

Induction of mortality and malformation in Xenopus laevis embryos by water sources associated with field frog deformities.

James G. Burkhart, Judy C. Helgen, Douglas J. Fort et al. · Environmental Health Perspectives · 1998 · 80 citations · Full text

Life Sciences, Toxicology, Zoology +13

Effects of pond water, sediment, and sediment extracts from minnesota and vermont, USA, on early development and metamorphosis of xenopus

Douglas J. Fort, Timothy L. Propst, Enos L. Stover et al. · Environmental Toxicology and Chemistry · 1999 · 59 citations

Life Sciences, Developmental Biology, Toxicology +15

PROGRESS TOWARD IDENTIFYING CAUSES OF MALDEVELOPMENT INDUCED IN <i>XENOPUS</i> BY POND WATER AND SEDIMENT EXTRACTS FROM MINNESOTA, USA

Douglas J. Fort, Robert L. Rogers, Holly F. Copley et al. · Environmental Toxicology and Chemistry · 1999 · 48 citations

Life Sciences, Developmental Biology, Zoology +16

1–5 of 10