Anne Helene Olsen, Sisse H Njor, Ilse Vejborg, Walter Schwartz, Peter Dalgaard, Maj-Britt Jensen et al
Olsen A H, Njor S H, Vejborg I, Schwartz W, Dalgaard P, Jensen M et al.
Breast cancer mortality in Copenhagen after introduction of mammography screening: cohort study
BMJ 2005; :bmj;bmj.38313.639236.82v1
doi:10.1136/bmj.38313.639236.82