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Re: Breast Cancer and Lactation History in Mexican Women


Hertz-Picciotto, Irva; Tseng, Marilyn; Newman, Beth M.; Schroeder, Jane C.; & Vine, Marilyn F. (1998). Re: Breast Cancer and Lactation History in Mexican Women. American Journal of Epidemiology, 147(8), 795.


We read with interest the enlightening article by Romieu et al. (1) on breastfeeding in relation to risk of breast cancer among women in Mexico City. The widespread practice of long-duration lactation has given these researchers the ability to address questions that could not be easily answered using data from most industrialized countries. We were, however, puzzled by a few points made in the paper, particularly with regard to figure 1 and the conclusions drawn from it.


Reference Type

Journal Article

Year Published


Journal Title

American Journal of Epidemiology


Hertz-Picciotto, Irva
Tseng, Marilyn
Newman, Beth M.
Schroeder, Jane C.
Vine, Marilyn F.