title: Letter: Holoprosencephaly revisited.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D001921:Brain / Q000002:abnormalities*; D005260:Female; D005808:Genes, Recessive; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D000857:Olfaction Disorders / Q000150:complications / Q000235:genetics; D011247:Pregnancy; D014314:Trisomy