Dr. Rich,
        On the internet, the following two sites have information:

Jan Riordan's "The Cost of Not Breastfeeding" is at

http://www.prairienet.org/laleche/riordan.html

Kaiser's study can be found at http://www.greatstar.com/lois/bfh.html

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Katherine A. Dettwyler, Ph.D.                         email: [log in to unmask]
Anthropology Department                               phone: (409) 845-5256
Texas A&M University                                    fax: (409) 845-4070
College Station, TX  77843-4352
http://www.prairienet.org/laleche/dettwyler.html