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A syndrome caused by multiple gene deletions from a region of chromosome 7, including the deletion of CLIP2, ELN, GTF2I, GTF2IRD1, and LIMK1 genes, and characterized by distinctive facial appearance (elfin facies), mild-to-moderate developmental delay, cheerfulness, cardiovascular dysfunction which may include supravalvular aortic stenosis, and endocrine abnormalities, including precocious puberty, hypothyroidism, and infantile hypercalcemia/ hypercalciuria.
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