COI

Central Office of Information
Found on http://www.tendermatch.co.uk/glossary.html

COI

Conflict of Interest
Found on http://www.iodp.org/acronyms/

COI

Coordinator of Information, Colonel 'Wild Bill' Donovan (US WWII)
Found on http://www.psywar.co.uk/glossary.php

COI

Cost of Illness Analysis
Found on http://www.translationdirectory.com/glossaries/glossary137.htm

COI

see Cost of Illness Analysis.
Found on http://www.encyclo.co.uk/local/20102
No exact match found