Chin Chiang; Ying Litingtung; Eric Lee; Keith E. Young; Jeffrey L Corden; Heiner Westphal; Philip A. Beachy (1996). "Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function". Nature. 383 (6599): 407–413. Bibcode:1996Natur.383..407C. doi:10.1038/383407a0. PMID8837770. S2CID4339131.
Chin Chiang; Ying Litingtung; Eric Lee; Keith E. Young; Jeffrey L Corden; Heiner Westphal; Philip A. Beachy (1996). "Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function". Nature. 383 (6599): 407–413. Bibcode:1996Natur.383..407C. doi:10.1038/383407a0. PMID8837770. S2CID4339131.
Chin Chiang; Ying Litingtung; Eric Lee; Keith E. Young; Jeffrey L Corden; Heiner Westphal; Philip A. Beachy (1996). "Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function". Nature. 383 (6599): 407–413. Bibcode:1996Natur.383..407C. doi:10.1038/383407a0. PMID8837770. S2CID4339131.
oddee.com
"Cyclops Baby". Oddee. 28 February 2008. Retrieved 1 October 2012.
semanticscholar.org
api.semanticscholar.org
Chin Chiang; Ying Litingtung; Eric Lee; Keith E. Young; Jeffrey L Corden; Heiner Westphal; Philip A. Beachy (1996). "Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function". Nature. 383 (6599): 407–413. Bibcode:1996Natur.383..407C. doi:10.1038/383407a0. PMID8837770. S2CID4339131.