Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
alas-eBC0563387955cb1063    alas2   
alas-eNM_1316827955alas2   
alas-eBC0671497955cb1063    alas2   
ALAS-EM6324410090
ALAS-ES696059031
ALAS-EAF0957477955

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

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Text2Knowledge ... Yong Huang 2002