Similarly, cm ranks nears the 50th percentile among all journals and near the 30th percentile for veterinary journals, ranking better than jaalas in. Impact factor list 2012 20 2011 2010 2009 toggle navigation. The bmj s impact factor has risen from 14 in 2011 to 17 in 2012, placing it fourth among the worlds top general medical journals and first among. These articles were published in 249 different journals, with an average impact factor of 2. With the approach of the publication of the impact factors for 2011 in the. Using data from an online health community to examine the impact of prostate cancer on sleep prostate cancer in kidney transplant recipients a nationwide register study efficacy of vibegron, a novel. The median impact factor is the median value of all journals impact factors in the subject category. We focus on health innovation and debate serving a global community. Pdf impact factor of medical journals researchgate. Pdf impact factor of medical education journals and recently. The jif of 16 medical education journals from 2000 to 2011 was. The report includes 11,877 journals from 81 countries. Impact factora useful tool, but not for all purposes ncbi.
Surgical treatments for postintubation laryngotracheal stenosis in patients with central nervous system injuries. Series 3, analytical and epidemiological studies u. The american journal of the medical sciences elsevier. Research covers all medical specialities and is currently accessed by 177 countries worldwide. The history and meaning of the journal impact factor pdf. A modest publication charge is levied to cover costs. Ajm is the official journal of the alliance for academic internal medicine, a prestigious group comprising chairs of departments of internal medicine at more than 125 medical schools across the u. The american journal of medicine the green journal publishes original clinical research of interest to physicians in internal medicine, in both academia and communitybased practice. The most wellknown indicator in the jcr is the journal impact factor jif. Open access journals impact factor scientific journals. The impact factor if or journal impact factor jif of an academic journal is a scientometric.
The bmj s impact factor has risen from 14 in 2011 to 17 in 2012, placing it fourth among the worlds top general medical journals and first among open access, general medical journals, latest. Impact factor journal indexing journal impact factor list. Pdf journal impact factor jif has been used in assessing scientific. Diversity, value and limitations of the journal impact factor and. This measure provides a ratio of citations to a journal in a given year to the citable items in the prior two years. The korean journal of medical science jkms achieves 1. Medicine editors 2006, an illdefined and manifestly unscientific number rossner et al 2007. The impact factor for cm for 2011 is substantially above the median for all journals in the veterinary science classification and is near the median for all classified journals, whereas jaalas ranks near the median for veterinary science journals. Songklanagarind medical journal was certified as an academic journal tier 1 according to the journal quality assessment result announcement round 1, 1 st time year 2011. Pdf comparative medicine and jaalas impact factors2011. Journal impact factor 2015 20 2011 2010 citefactor.
Amsterdam, july 17, 2012 elsevier, a worldleading provider of scientific, technical and medical information products and services, today announced the highlights of its journal impact factor performance in 2011. The three journals with the highest impact factors in 1959 medicine. The journal will cover technical and clinical studies related to health, ethical and social issues in field of health policy and health provider training. Journal with highest impact factor was the lancet if2008 28. The national medical journal of india free full text. Impact factor impact factor list 2012 20 2011 2010. Six months after an article is published, the full text is available for free. Songklanagarind medical journal is indexed in the journal database of the thaijournal citation index centre tci and was given a thaijournal impact factor for the first time in 2002. Journal impact factor 2014 impact factor list 2012 20 2011. The journal impact factor extenuates the significance of absolute citation frequencies. Agespecific differences in noncardiac comorbidities among elderly patients hospitalized with heart failure. Canadian journal of infectious diseases and medical microbiology.226 711 984 70 1390 845 1221 1487 323 1047 1032 158 176 1586 369 627 1020 614 1007 532 641 548 1098 1457 527 1324 1111 322 344 1010 252 487 1454 1180 440 155 144 301 382 476 1268