1. Septo-optic dysplasia: MR imaging;Barkovich;Radiology,1989
2. Apparent atypical callosal dysgenesis: Analysis of MR findings in six cases and their relationship to holoprosencephaly;Barkovich;AJNR Am J Neuroradiol,1990
3. Middle interhemispheric fusion: An unusual variant of holoprosencephaly;Barkovich;AJNR Am J Neuroradiol,1993
4. Pediatric Neuroimaging;Barkovich,2000
5. Identification of Sonic hedgehog as a candidate gene responsible for holoprosencephaly;Belloni;Nat Genet,1996