Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleProtective effects of pregnancy and lactation against N-methyl-N-nitrosourea-induced mammary carcinomas in female Lewis rats.AuthorsYang, J; Yoshizawa, K; Nandi, S; Tsubura, APublicationCarcinogenesis, 1999, Vol 20, Issue 4, p623ISSN0143-3334Publication typeArticleDOI10.1093/carcin/20.4.623