Found the citation I was talking about.

Effect of Environmental Conditions on Unpasteurized Donor Human Milk
David J. Rechtman, Martin L. Lee, H. Berg. Breastfeeding Medicine. 
Spring 2006, 1(1): 24-26. doi:10.1089/bfm.2006.1.24.
Published in Volume: 1 Issue 1: March 30, 2006

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

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