Search results
Results From The WOW.Com Content Network
Hypertension is a monthly peer-reviewed scientific journal [1] that was established in 1979. It is published on behalf of the American Heart Association by Lippincott Williams & Wilkins . The editor-in-chief is Rhian M. Touyz.
Guidelines on the choice of agents and how best to step up treatment for various subgroups in hypertension (high blood pressure) have changed over time and differ between countries. A Comparison of International Guidelines on Goal Blood Pressure and Initial Therapy for Adults With Hypertension (adapted from JNC 8 guidelines [ 1 ] )
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
NAEYC encourages its supporters to be informed of current issues and legislation that affect the lives of young children. At the NAEYC Children's Champions Action Center, [9] individuals can find information about the federal legislative process, learn how to contact members of Congress, and see the daily agenda for the House and the Senate. [10]
Early childhood education, in its professional form, emerges in the United States in the early 20th century. In 1926, the National Association for the Education of Young Children (NAYEC) was founded, and is still active today. Around this time, we also see the inception of development education standards along with teacher training programs.
In any given year, the CiteScore of a journal is the number of citations, received in that year and in previous three years, for documents published in the journal during the total period (four years), divided by the total number of published documents (articles, reviews, conference papers, book chapters, and data papers) in the journal during the same four-year period: [3]
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
For instance, most papers in Nature (impact factor 38.1, 2016) were only cited 10 or 20 times during the reference year (see figure). Journals with a lower impact (e.g. PLOS ONE, impact factor 3.1) publish many papers that are cited 0 to 5 times but few highly cited articles. [21]