Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
TCN2M603969606275350
TCN2L026479606275350
TCN2L026489606275350
Tcn2NM_01574910090Tcn-2    275350
TCN2BC0011769606TC2    D22S676    D22S750    275350
TCN2BC0112399606TC2    D22S676    D22S750    275350
TCN2NM_0003559606TC2    D22S676    D22S750    275350
TCN2NM_1741959913
Tcn2AF09068610090275350
Tcn2NT_03951510090275350
Tcn2BC00372010090275350
TCN2NT_0115209606275350

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

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Text2Knowledge ... Yong Huang 2002