Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
P450-IIA4NM_0007649606CPA7    CPAD    CYPIIA7    CYP2A7   
P450-IIA4NM_0305899606CPA7    CPAD    CYPIIA7    CYP2A7   
P450-IIA4NT_0111099606CPA7    CPAD    CYPIIA7    CYP2A7   
P450-IIA4NG_0000089606CPA7    CPAD    CYPIIA7    CYP2A7   

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

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Text2Knowledge ... Yong Huang 2002