Error - DOI Naming Authority [cgi-bin] Not Found

The DOI you requested --

cgi-bin/article.cgi/bichaw/2006/45/i14/pdf/bi0600188.pdf

-- cannot be found in the Handle System.

Possible reasons for the error are:

• the DOI has not been created
• the DOI is cited incorrectly in your source
• the DOI does not resolve due to a system problem

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