Your Query returns 22 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
SPI1NM_18247410116Spin1    CPi-23    Spin2a   
Spi1NM_02251910116Pi    AAT    Serpina1   
spi1AL6458007955
SPI1AF3525837091
spi1AF2159082116
spi1AF2159092116
spi1AF2159102116
spi1AF2159112116
spi1AF2159122116
spi1AF2159132116
spi1AL0356754896SPBC1289.03c   
SPI1X914873329
spi1NM_1980627955pu1    pu.1   
SPI1AY4125759606165170
SPI1AY4125769598
SPI1AY41257710090165170
SPI1NM_0031209606OF    PU.1    165170
spi1X5681610090165170
spi1NC_0034234896SPBC1289.03c   
SPI1NT_0092379606165170
spi1BC0676227955pu1    pu.1    cb1086   
SPI1NC_0011374932

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

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Text2Knowledge ... Yong Huang 2002