Elisabete Weiderpass, Tonje Braaten, Eiliv Lund, Hans Olov Adami, Inger T. Gram, Annie J. Sasco, Annie J. Sasco, Paul D. Terry, Breast cancer risk among women who start smoking as teenagers.Cancer Epidemiology, Biomarkers & Prevention. ,vol. 14, pp. 61- 66 ,(2005)