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This book presents Down syndrome, which is the most common chromosomal disorder in humans, occurring at a rate of about 1 in 700 births. The book describes the characteristic physical features caused by Down syndrome and the myriad of symptoms and health complications it brings,…
This book presents Down syndrome, which is the most common chromosomal disorder in humans, occurring at a rate of about 1 in 700 births. It describes the characteristic physical features caused by Down syndrome and the myriad of symptoms and health complications it brings, inclu…