_:vb50948486 "url:https://ghr.nlm.nih.gov/condition/cri-du-chat-syndrome"^^ . _:vb50948486 "A syndrome that has_material_basis_in deletion of the end of the chromosome 5 p arm and that is characterized by intellectual disability, delayed development, small head size, low birth weight, weak muscle tone widely set eyes, low-set ears, a small jaw, a rounded face and a high-pitched cry that sounds like that of a cat."^^ . _:vb50948486 . _:vb50948486 . _:vb50948486 . _:vb50948486 .