%0 Journal Article %T Comparing the Effects of Stage and Duration of Retinoic Acid Exposure on Amphibian Limb Development: Chronic Exposure Results in Mortality, Not Limb Malformations %A Degitz, Sigmund, J. %A Holcombe, Gary, W. %A Kosian, Patricia, A. %A Tietge, Joseph, E. %A Durhan, Elizabeth, J. %A Ankley, Gerald, T. %J Toxicological Sciences %V 74 %N 1 %P 139-146 %@ 1096-6080 %D 2003-07-01 %I Oxford University Press %~ DeepDyve