The Lancet · 1968 · 105 citations · 19 references
Life SciencesGeneticsMolecular GeneticsEmbryologyHuman GeneticsMedical GeneticsGenetic DisordersMendelian InheritanceMosaicismNeurodevelopmental DisordersNeurodevelopmental GeneticsSpina BifidaCongenital Anomalies Genetics
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Brian MacMahon, Thomas F. Pugh, Théodore H. Ingalls · Journal of Epidemiology & Community Health · 1953 · 118 citations · Full text
L. S. PENROSE · Journal of Intellectual Disability Research · 1957 · 117 citations