Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SPG3ANM_0159159606FSP1    GBP3    SPG3    AD-FSP    606439
Spg3aNM_17862810090FSP1    SPG3    AD-FSP    4930435M24Rik    606439
SPG3ABC0107089606AD-FSP    FSP1    SPG3    GBP3    606439
SPG3AAY4100769606606439
SPG3AAY4100779598
SPG3AAY41007810090606439
SPG3ANM_1815989606FSP1    GBP3    SPG3    AD-FSP    606439
Spg3aNT_03955110090606439
Spg3aBC05078410090FSP1    SPG3    AD-FSP    606439
Spg3aBC05706810090FSP1    SPG3    AD-FSP    606439
SPG3ANT_0264379606606439

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

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Text2Knowledge ... Yong Huang 2002