Your Query returns 8 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
tonB1AY016749573tonB   
tonB1AF119047670
tonB1AB10542738294
tonB1AL139074192222
tonB1AE015802211586
tonB1AY428646715
tonB1NC_004347211586
tonB1NC_002163192222

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

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Text2Knowledge ... Yong Huang 2002