Two brothers, products of a consanguineous union, had microcephaly, mild mental retardation, short stature, cervical spine fusion anomalies, and abnormal shape of the thorax. There was association of skeletal anomalies and genetic microcephaly.
Zackai EH, Sly WS, McAlister WH. Microcephaly, Mild Mental Retardation, Short Stature, and Skeletal Anomalies in Siblings. Am J Dis Child. 1972;124(1):111-115. doi:10.1001/archpedi.1972.02110130113019