Does any one have a duplicate copy of the following journal? We have this as missing in our collection. Please reply directly Nature Biotechnology, 20(5), 2002 Thanks Krishnan Dr. S. Krishnan Head, Information Division National Chemical Lab, PUNE 411008, INDIA e-mail: HYPERLINK "mailto:krish@ems.ncl.res.in"krish@ems.ncl.res.in HYPERLINK "http://www.ncl-india.org"http://www.ncl-india.org Tel: 020-25893457; Fax: 020-25893973 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.564 / Virus Database: 356 - Release Date: 1/19/2004