TY - GEN AU - Thomas,J A AU - Webster,D J AU - Williamson,M E TI - Smoking and benign breast cancer. Smoking linked to duct ectasia .. SN - 0959-8138 PY - 1994///0113 KW - Breast Neoplasms KW - epidemiology KW - Female KW - Humans KW - Male KW - Mastitis KW - etiology KW - Prevalence KW - Prospective Studies KW - Risk Factors KW - Smoking KW - adverse effects KW - Wales N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1136/bmj.307.6912.1146-b ER -