Primary Care of Infants and Young Children with Down Syndrome - American Family Physician
Jan 15, 1999 - Down syndrome is caused by triplicate material of chromosome 21. The syndrome has a variable physical expression, but congenital cardiac defects, transient myelodysplasia of the newborn and duodenal atresia are highly specific for this chromosomal disorder. Routine health maintenance is...
American Family Physician : Article
https://www.aafp.org/afp/1999/0115/p381.html
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