1. Brenner RD, Nisbet AD, Herriot R, Horne CHW, McArdle C, Crawford D, Bohn H (1981) Detection of Placental Protein Five (pps) and Pregnancy Specific Glycoprotein (SPI) in Benign and Malignant Breast Disease. Onco Develop Biol Med 2: 55
2. Chakravarty PK, Ghosh SK, Sinha DK (1991) Pregnancy-induced cytotoxicity of splenocytes against mammary tumor cells in rat. Oncology (in press)
3. Crawford V, Pim DC, Bulbrook RD (1982) Detection of antibodies against the cellular protein P53 in sera from patients with breast cancer. Cancer 30: 403
4. Crum ED (1980) Lymphocytes that mediate systemic resistance to in vivo growth of a carcinogen-induced syngenic tumor. Int J Cancer 26: 53
5. Dao TL, Pazik J (1981) Early pregnancy protects against mammary gland carcinogenesis. Proc Am Assoc Cancer Res 22: 96