https://www.medicina.ru/patsientam/zabolevanija/sindrom-dauna-mongolizm/#:~:text=%D0%A1%D0%B8%D0%BD%D0%B4%D1%80%D0%BE%D0%BC%20%D0%B4%D0%B0%D1%83%D0%BD%D0%B0%20(%D0%BC%D0%BE%D0%BD%D0%B3%D0%BE%D0%BB%D0%B8%D0%B7%D0%BC),-%D0%92%D0%B5%D0%B4%D1%83%D1%89%D0%B8%D0%B9%20%D0%B0%D0%BA%D1%83%D1%88%D0%B5%D1%80%2D%D0%B3%D0%B8%D0%BD%D0%B5%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3&text=%D0%92%20%D1%87%D0%B8%D1%81%D0%BB%D0%B5%20%D1%85%D1%80%D0%BE%D0%BC%D0%BE%D1%81%D0%BE%D0%BC%D0%BD%D1%8B%D1%85%20%D0%BF%D0%B0%D1%82%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D0%B9%20%D0%BE%D1%81%D0%BE%D0%B1%D0%BE%D0%B5,%D1%85%D1%80%D0%BE%D0%BC%D0%BE%D1%81%D0%BE%D0%BC%20%D0%BF%D0%BE%D1%8F%D0%B2%D0%BB%D1%8F%D0%B5%D1%82%D1%81%D1%8F%20%D1%82%D1%80%D0%B5%D1%82%D1%8C%D1%8F%20%D0%BB%D0%B8%D1%88%D0%BD%D1%8F%D1%8F%20%D1%85%D1%80%D0%BE%D0%BC%D0%BE%D1%81%D0%BE%D0%BC%D0%B0.