Your Query returns 10 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
IL12aAY37450999883
Il12aNM_00835110090p35    Il-12a    IL-12p35    161560
Il12aNW_04762510116
IL12aAY2342189555
IL12AAF4047739606161560
IL12ANM_0008829606CLMF    NFSK    NKSF1    IL-12A    161560
Il12aNT_03923410090161560
Il12aAY24776310042
IL12ANT_0056129606161560
Il12aNM_05339010116

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

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Text2Knowledge ... Yong Huang 2002