Your Query returns 5 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Npps2NM_01574410090ATX    Pdnp2    Autotaxin    PD-Ialpha    Enpp2   
Npps2BC05875910090ATX    Autotaxin    PD-Ialpha    Enpp2   
Npps2BC00326410090ATX    Autotaxin    PD-Ialpha    Enpp2   
Npps2AF12354210090
Npps2AF12887910090

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

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Text2Knowledge ... Yong Huang 2002