Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
BBMIBC0593879606MYHL    MIHC    MYO1A   
BBMINM_0053799606MIHC    MYHL    MYO1A   
BBMIAF1270269606
BBMIAF1054249606
BBMIU2514810116
BBMIU2528210116

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

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Text2Knowledge ... Yong Huang 2002