Subjects: *Dose-response relationship in biochemistry; *Toxicity testing; Subject headings
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Subjects: *SUBJECT headings; *CLASSIFICATION; *INFORMATION resources management
Subjects: *NATIVE Americans; *ONLINE information services; *PSYCHOLOGY information storage & retrieval systemsUNITED States; CANADA
Subjects: *Database industry; *Medical informatics; *Medical subject headings
Subjects: SUBJECT headings; VOCABULARY