Your Query returns 8 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
bmp-20N/Abmp2    cb670    zbmp2    bmp2-4    zbmp-2    bmp2b   
BMP-2NM_00756110090BMPR-II    Bmpr2   
BMP-2AF0414219986
BMP-2AF0402499606
BMP-2L2560210090
Bmp-2X759149031
BMP-2AJ3151598355
BMP-2AJ3151608364

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

Google

Text2Knowledge ... Yong Huang 2002