[ad_1] World Down Syndrome Day 2022: Down syndrome, a genetic condition, was first described by British physician John Langdon Haydon Down in the year 1862, but it was only in […]
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[ad_1] World Down Syndrome Day 2022: Down syndrome, a genetic condition, was first described by British physician John Langdon Haydon Down in the year 1862, but it was only in […]