..., Lancet, British Medical Journal , JAMA , and New England Journal Medicine have a high impact factor . Often abbreviated IF.
1 Answers · Education & Reference · 27/02/2011
... the most widely circulated medical journal in the world. The online version is... in developing countries. JAMA 's 2009 impact factor is 28.9 (the impact factor is a measure...
1 Answers · Education & Reference · 25/02/2011
...http://en.wikipedia.org/wiki/ Impact _ factor It looks... England Journal of Medicine and..., and NEJM and JAMA in the United ...
2 Answers · Education & Reference · 30/09/2009