Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
KLSTBC0149929606PI4    KST    KAL    kallistatin    SERPINA4    147935
KLSTNM_0062159606KAL    KST    PI4    kallistatin    SERPINA4    147935

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

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Text2Knowledge ... Yong Huang 2002