1. Alvarenga P, Palma P, Goncalves AP, Fernandes RM, Cunha-Queda AC, Duarte E, Vallini G (2007) Evaluation of chemical and ecotoxicological characteristics of biodegradable organic residues for application to agricultural land. Environ Int 33(505):513
2. American Society for Testing and Materials (ASTM) (1998) Standard guide for conducting the frog embryo teratogenesis assay–Senopus (FETAS), E1439-91. Philadelphia: Annual Book of ASTM Standards, 826 836.
3. Antunes SC, de Figueiredo DR, Marques SM, Castro BB, Pereira R, Goncalves F (2007) Evaluation of water column and sediment toxicity from an abandoned uranium mine using a battery of bioassays. Sci Total Environ 2–3(252):259
4. Applegate BM, Kehrmeyer SR, Sayler GS (1998) A chromosomally based tod-luxCDABE whole-cell reporter for benzene, toluene, ethylbenzene, and xylene (BTEX) sensing. Appl Environ Microbiol 64(2730):2735
5. Bevan CL, Porter DM, Prasad A, Howard MJ, Henderson LP (2003) Environmental estrogens alter early development in Xenopus laevis. Environ Heal Perspect 4(488):496