Your Query returns 13 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
GLAST1Z317039606
GLAST1Z317049606
GLAST1Z317059606
GLAST1Z317069606
GLAST1Z317079606
GLAST1Z317089606
GLAST1Z317099606
GLAST1Z317109606
GLAST1Z317139606
GLAST1Z317139606
GLAST1BC0544759606EAAT1    GLAST    SLC1A3   
GLAST1BC0373109606EAAT1    GLAST    SLC1A3   
GLAST1NM_0041729606EAAT1    GLAST    SLC1A3   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002