Your Query returns 21 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
RRM2NM_0802207227eIF4H    CG4429    Rbp2   
RRM2NM_1675227227eIF4H    CG4429    Rbp2   
RRM2NC_0043547227eIF4H    CG4429    Rbp2   
RRM2NM_0802207227eIF4H    CG4429    Rbp2   
RRM2NM_1675227227eIF4H    CG4429    Rbp2   
RRM2NM_2067647227eIF4H    CG4429    Rbp2   
Rrm2NM_00910410090R2    180390
RRM2BC0018869606R2    180390
RRM2BC0301549606R2    180390
RRM2AY4118139606180390
RRM2AY4118149598
RRM2AY41181510090180390
RRM2AY0327509606180390
RRM2NM_0010349606R2    180390
Rrm2NT_03954810090180390
Rrm2NT_03957110090180390
rrm2BX572605258594
RRM2NT_0053349606180390
rrm2NM_1314507955r2    cb111    chunp6884   
rrm2NC_005296258594
rrm2BC0443557955r2    cb111    chunp6884   

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

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Text2Knowledge ... Yong Huang 2002