Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleAge at first and second births and breast cancer risk in biparous women.AuthorsNegri, E.; La Vecchia, C.; Duffy, S. W.; Bruzzi, P.; Parazzini, F.; Day, N. E.PublicationInternational Journal of Cancer, 1990, Vol 45, Issue 3, p428ISSN0020-7136Publication typeArticleDOI10.1002/ijc.2910450308