Your Query returns 24 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
CRTL1NM_0018849606HAPLN1    115435
CRTL1BC0578089606HAPLN1    115435
Crtl1NM_01350010090LP    Crtl1l    Hapln1    115435
crtL1BX57209259919
crtL1BX57209874547
Crtl1NW_04761610116
Crtl1NM_01918910116
CRTL1AY4185549606115435
CRTL1AY4185559598
CRTL1AY41855610090115435
CRTL1X780769606115435
CRTL1X174059606115435
CRTL1NM_1742889913
Crtl1NT_03958910090115435
Crtl1AH00901510090115435
Crtl1AF13727410090115435
Crtl1AF13727510090115435
Crtl1AF13727610090115435
Crtl1AF13727710090115435
Crtl1AF13727810090115435
Crtl1AF13957210090115435
crtL1NC_00507259919
crtL1NC_00507174547
CRTL1NT_0067139606115435

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

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Text2Knowledge ... Yong Huang 2002