Your Query returns 7 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
MAN1A2BC0633009606MAN1B    604345
MAN1A2AL1579029606604345
MAN1A2AY4167069606604345
MAN1A2AY4167079598
MAN1A2AY41670810090604345
MAN1A2NM_0066999606MAN1B    604345
MAN1A2NT_0047549606604345

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

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Text2Knowledge ... Yong Huang 2002