Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
pla2g4NM_1312957955PLA2G4A    cpla2   
PLA2G4NM_0244209606cPLA2-alpha    PLA2G4A    600522
Pla2g4NM_13355110116Pla2c    cPLA2    Pla2g4a   
Pla2g4NM_00886910090cPLA2    Pla2g4a    600522

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

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Text2Knowledge ... Yong Huang 2002