It is probably this reference you are looking for out of Harvard which reported 911 deaths prevented and 13 billion dollars saved by Breastfeeding.
Bartick M, Reinhold A.  The Burden of Suboptimal Breastfeeding in the US: A Pediatric Cost Analysis.  pediatrics 125:5, May 2010.
Good luck!

             ***********************************************

Archives: http://community.lsoft.com/archives/LACTNET.html
To reach list owners: [log in to unmask]
Mail all list management commands to: [log in to unmask]
COMMANDS:
1. To temporarily stop your subscription write in the body of an email: set lactnet nomail
2. To start it again: set lactnet mail
3. To unsubscribe: unsubscribe lactnet
4. To get a comprehensive list of rules and directions: get lactnet welcome