Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
apterousNM_01071010090ap    LH2A    Lh-2    Lim2    Lhx2   
apterousBC05574110090LH2A    Lh-2    ap    Lim2    Lhx2   
APTEROUSAB0249037091
apterousL4214039708
apterousX651587227

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

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Text2Knowledge ... Yong Huang 2002