Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
calcitonin/alpha CGRPAH01052810090Calc   
calcitonin/alpha CGRPAF32552010090Calc   
calcitonin/alpha CGRPAF32552110090Calc   
calcitonin/alpha CGRPAF32552210090Calc   

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

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