Linkage of a human brain malformation, familial holoprosencephaly, to chromosome 7 and evidence for genetic heterogeneity

Maximilian Muenke, Fiorella Gurrieri, Carolyn Bay, David H. Yi, Amanda L. Collins, Virginia P. Johnson, Raoul C.M. Hennekam, G. Bradley Schaefer, Luann Weik, Mark S. Lubinsky, Sandy Daack-Hirsch, Cynthia A. Moore, William B. Dobyns, Jeffrey C. Murray, R. Arlen Price