TY - SER TI - Environmental toxicology SN - 1520-4081 AV - RA1221 E58 PY - 1999///- CY - New York, NY PB - John Wiley & Sons KW - Microbiological assay KW - Periodicals KW - Toxicity testing KW - Environmental toxicology KW - Water KW - Pollution KW - Toxicology KW - Water quality bioassay N1 - Title from cover; Has occasional special issue ER -