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This is the online help for the Allen Institute for Brain Science Data Portal.
Use of boolean syntax (i.e. AND, OR, NOT) is supported when using the search feature. Supported boolean operators include:
mouse AND Grik3
Abcc1 OR Ache OR Adcyap1
reference atlas NOT spinal
The AND operator (&) is implicit, so spaces between words that are not separated by an operator will be treated like an &.
OR (|) has higher operator precedence than AND (&).
Parentheses can be used to group criteria, but nested parentheses are not supported at this time.
The NOT operator is not supported within parentheses.
Enclose search phrases in quotation marks to avoid confusion with boolean operators.