Are these what you are looking for?
Freudenheim, J et al. Exposure to breastmilk in infancy and the risk of breast cancer. Epid 1994; 5:324-31
I found the above on the LLLI website and it also led me to this.
http://jnci.oxfordjournals.org/content/90/12/921.full
-Laura Spitzfaden
***********************************************
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