RT Journal Article SR Electronic T1 Another holoprosencephaly locus at 7q21.2? JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 614 OP 615 DO 10.1136/jmg.35.7.614 VO 35 IS 7 A1 Fryns, J P YR 1998 UL http://jmg.bmj.com/content/35/7/614.abstract AB