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All Fields
(("biological assessment" OR bioassess OR bioindicat) AND (aquatic OR "water quality")) NOT (toxicity OR histop OR bioaccum OR biomarker OR mitoch OR embryotox OR "muscle tissues" OR xenobio OR "toxic substances" OR bioassay OR food OR mitosis)
Remove constraint All Fields: (("biological assessment" OR bioassess OR bioindicat) AND (aquatic OR "water quality")) NOT (toxicity OR histop OR bioaccum OR biomarker OR mitoch OR embryotox OR "muscle tissues" OR xenobio OR "toxic substances" OR bioassay OR food OR mitosis)
Topic
Environmental aspects
Remove constraint Topic: Environmental aspects
Topic
Water quality
Remove constraint Topic: Water quality
Topic
Benthos
Remove constraint Topic: Benthos
Publish Date
1996 OR 1998 OR 1999
Remove constraint Publish Date: 1996 <strong class='text-muted constraint-connector'>OR</strong> 1998 <strong class='text-muted constraint-connector'>OR</strong> 1999
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