Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
HHTBC0426379606ALK-1    ALK1    ACVRLK1    HHT2    ORW2    SKR3    ACVRL1   
HHTNM_0000209606ALK1    HHT2    ORW2    SKR3    ALK-1    ACVRLK1    ACVRL1   
hHTL045699606

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

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Text2Knowledge ... Yong Huang 2002