<p>标题：[求助]英文文献三篇</p><p>第一篇</p><p>题名：<font face="Times New Roman" size="3">A Maximum Likelihood Method for Detecting Directional Evolution in Protein Sequences and Its Application to Influenza A Virus</font></p><p>作者：Sergei L. Kosakovsky Pond</p><p>期刊全称及年份，卷（期），起止页码：<font size="2">Molecular Biology and Evolution 2008 25(9):1809-1824</font></p><p>电子链接：<a href="http://mbe.oxfordjournals.org/cgi/content/abstract/25/9/1809">http://mbe.oxfordjournals.org/cgi/content/abstract/25/9/1809</a></p><p>第二篇</p><p>题名：Mapmaker for the World of Influenza</p><p>作者：Martin Enserink</p><p>期刊全称及年份，卷（期），起止页码：<em>Science</em> 18 April 2008:Vol. 320. no. 5874, pp. 310 - 311</p><p>电子链接：<a href="http://www.sciencemag.org/cgi/content/summary/sci;320/5874/310">http://www.sciencemag.org/cgi/content/summary/sci;320/5874/310</a></p><p>第三篇</p><p>题名：Studies Reveal How Influenza Virus Antigenic Variation Develops and Spreads</p><p>作者：<a href="http://general-medicine.jwatch.org/misc/board_about.dtl#aKomaroff"><font color="#000000">Anthony L. Komaroff</font></a></p><p>期刊全称及年份，卷（期），起止页码：Published in Journal Watch (General) May 8, 2008</p><p>电子链接：<a href="http://general-medicine.jwatch.org/cgi/content/citation/2008/508/6">http://general-medicine.jwatch.org/cgi/content/citation/2008/508/6</a>#</p><p>谢谢！<font color="#000000"><a href="http://general-medicine.jwatch.org/cgi/content/citation/2008/50"></a></font></p><p></p><p><br/></p><p></p><p><font face="Times New Roman" size="2"></font></p>

[此贴子已经被作者于2008-9-27 23:47:19编辑过]