B. M. Harris, G. Eklund, O. Meirik, L. E. Rutqvist, K. Wiklund
Harris B M, Eklund G, Meirik O, Rutqvist L E, Wiklund K.
Risk of cancer of the breast after legal abortion during first trimester: a Swedish register study.
British Medical Journal 1989; 299 :1430
doi:10.1136/bmj.299.6713.1430