Epstein Secrets

da. David Alifiey is a marine ecologist at H. T. Harvey & Associates, Los Gatos, California 95032, USA.

s mawsoni), marketed as Chilean sea bass. As always, this certification would be subject to ongoing monitoring and review. Yet almost 28 g." 2010 Macmillan Publishers Limited. All rights reserved EFTA00304697 .AI LRE Va. 461 2 Se pc ,rn OPINION Many scientists, and conservation groups including Greenpeace and nationa

vative therapy."" How- ever, the differences in pain relief and improvement in functional status narrowed during the 2-year follow-up period in the Weinstein et a1. study." Aside from the short period to follow-up, other limitations of the study were the use of only one type of operation and the high rat

pinal canalrwhereas secondary stenosis can result from a wide range of conditions, most often chronic degeneration, 392 I JULY 2009 I VOLUME 2009 Macmillan Publishers Limited. All rights reserved EFTA00307994 REVIEWS which leads to a destabilized vertebral body. Other causes of secondary stenosis include rheumatoid di

PRING BOOKS Size Matters: Figure 2 (2007) by Ian Harvey and Koo Kyung Sook. EXHIBITION Size Matters Sa

tween net- works and clusters of individuals, he explains. Multilevel or group selection follows among 294 I NATURE I VOL 471 I 17 MARCH 2011 2011 Macmillan Publishers Limited. All lets reserved EFTA00599578 SPRING BOOKS COMMENT communities that are small, numerous and isolated; mediated for example by tribal wars fo