Roessler E, Belloni E, Gaudenz K, et al. Mutations in the human Sonic hedgehog gene cause holoprosencephaly. Nat Genet. 1996;14(3):357-360.
Roessler E, Belloni E, Gaudenz K, et al. Mutations in the human Sonic hedgehog gene cause holoprosencephaly. Nat Genet. 1996;14(3):357-360.