Your Query returns 27 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CHRM3AB0413959606118494
Chrm3NM_03326910090M3    M3R    Chrm-3    118494
CHRM3U295899606118494
CHRM3AB0413969598
CHRM3AB0413979593
CHRM3AB0413989600
Chrm3NW_04749210116
Chrm3NM_01252710116
CHRM3AY4007829606118494
CHRM3AY4007839598
CHRM3AY40078410090118494
CHRM3AF3855899606118494
CHRM3NM_0007409606HM3    118494
CHRM3AF4989179606118494
CHRM3AH0116729606118494
CHRM3AF3318329606118494
CHRM3AF3318339606118494
CHRM3AF3318349606118494
CHRM3AF3318359606118494
CHRM3AF3318369606118494
CHRM3AF3318379606118494
CHRM3AF3318389606118494
CHRM3NM_1742709913
Chrm3XM_14715410090M3    M3R    118494
Chrm3NT_03957510090118494
CHRM3AF07911310047
CHRM3NT_0048369606118494

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

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Text2Knowledge ... Yong Huang 2002