It is a genetic chromosomal disorder that occurs early in childhood causing intellectual and developmental disability and delay in growth physically and mentally. It also leads to various health problems. There is presence of 47 chromosomes instead of 46 and is independent of race, ethnic, economic status. It is usually identified in early stages. The distinctive facial features can be seen in DownÂ’s syndrome children like small head, weak muscle tone, short neck etc. The diagnostic tests are present for pregnant mothers to estimate the risk of DownÂ’s syndrome. Several treatment facilities are available for children with this syndrome.
High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information.The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
Last date updated on June, 2014