Cerebro-ocular Dysgenesis (Walker-Warberg Syndrome) :Neuropathologic & Etiologic AnalysisNeurol 34:1531-1541, Williams,R.S.,et al, 1984
Maternal & Fetal Sequelae of Anticoagulation During PregnancyAm J Med 68:122-140, Hall,J.G.,et al, 1980