Leimeister C، Externbrink A، Klamt B، Gessler M (سبتمبر 1999). "Hey genes: a novel subfamily of hairy- and Enhancer of split related genes specifically expressed during mouse embryogenesis". Mech Dev. ج. 85 ع. 1–2: 173–7. DOI:10.1016/S0925-4773(99)00080-5. PMID:10415358.
Steidl C، Leimeister C، Klamt B، Maier M، Nanda I، Dixon M، Clarke R، Schmid M، Gessler M (أغسطس 2000). "Characterization of the human and mouse HEY1, HEY2, and HEYL genes: cloning, mapping, and mutation screening of a new bHLH gene family". Genomics. ج. 66 ع. 2: 195–203. DOI:10.1006/geno.2000.6200. PMID:10860664.
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pubmed.ncbi.nlm.nih.gov
Leimeister C، Externbrink A، Klamt B، Gessler M (سبتمبر 1999). "Hey genes: a novel subfamily of hairy- and Enhancer of split related genes specifically expressed during mouse embryogenesis". Mech Dev. ج. 85 ع. 1–2: 173–7. DOI:10.1016/S0925-4773(99)00080-5. PMID:10415358.
Steidl C، Leimeister C، Klamt B، Maier M، Nanda I، Dixon M، Clarke R، Schmid M، Gessler M (أغسطس 2000). "Characterization of the human and mouse HEY1, HEY2, and HEYL genes: cloning, mapping, and mutation screening of a new bHLH gene family". Genomics. ج. 66 ع. 2: 195–203. DOI:10.1006/geno.2000.6200. PMID:10860664.