منابع مشابه
Blended Learning Over Two Decades
The 21st century has witnessed vast amounts of research into blended learning since the conception of online learning formed the possibility of blended learning in the early 1990s. The theme of this paper is blended learning in mainstream disciplinary communities. In particular, the paper reports on findings from the last two decades which looked at origination, development and future of blende...
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Results A total of 335 patients in 1986, 351 in 1996 and 178 patients in 2006 comprise the total study population of 864 STEMI patients. In addition 25 (6,9%) patients died within the first 24 hours of hospital admission in 1986, 33(15,6%) in 1996 and 5 (2,7%) in 2006. One-year mortality decreased from 26.3% in 1986 and 19.7% in 1996 to 12.9% in 2006 (p = 0.001). Cox proportional hazard analysi...
متن کاملEvolution over two decades of the tropical
18 The interannual variability of cloud properties in a tropical subsidence area (South 19 Atlantic Ocean) is examined using 23 years of ISCCP cloud fractions and optical depths, 20 complemented with ISCCP/Meteosat visible reflectance and a four-years comparison with 21 CALIPSO-GOCCP products. The mean seasonal cloud properties are examined in the area, as 22 their interannual evolution. Circul...
متن کاملAnalysis of Fractured Mandible Over Two Decades
Mandible fractures have a special place within the injuries of the other bones of the maxillofacial system. In their management, cosmetic issues and functional aspects such as chewing, speaking, and swallowing become very important.In this study, a retrospective analysis of 419 mandible fractures in 283 patients was performed in relation to epidemiologic factors, treatment strategies, and compl...
متن کاملAsperger Syndrome in Males over Two Decades
● BACKGROUND: Not much is known about the long-term outcome of Asperger syndrome (AS). The first set of diagnostic criteria was published in the late 1980’s. Research on other normal range IQ Autism Spectrum Disorders (ASD) has shown great variability in terms of outcome. ● AIMS: The purpose of the present study was to study the naturalistic course of AS into adulthood in a clinical cohort of 1...
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ژورنال
عنوان ژورنال: Nature
سال: 2017
ISSN: 0028-0836,1476-4687
DOI: 10.1038/545421a