Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Lam-B1NG_0000677227beta1    lamB1    CG7123    CT22015    laminin    LM-B1/beta    laminin B1    BcDNA:LD21794    LanB1   
Lam-B1NM_0572707227beta1    lamB1    CG7123    Laminin    LM-B1/beta    LanB1   
Lam-B1NM_1647737227beta1    lamB1    CG7123    Laminin    LM-B1/beta    LanB1   
Lam-B1NT_0337797227beta1    lamB1    CG7123    Laminin    LM-B1/beta    LanB1   

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

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Text2Knowledge ... Yong Huang 2002