Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
PAI2BC0126099606PLANH2    PAI    SERPINB2    173390
PAI2NM_0025759606PAI    PLANH2    HsT1201    SERPINB2    173390
PAI2U347563702
PAI2U189683702
PAI2AY1129889913
PAI2AF0714009606173390
PAI2U788609913
PAI2U788619913

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

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Text2Knowledge ... Yong Huang 2002