Rapiti, E.; Tille, J.-C.; Fournier, E.; Saiji, E.; Weintraub, D.; Bouzourene, H.; Viassolo, V.; Bouchardy, C.; Chappuis, P. O.; Benhamou, S. Concordance of Tumour Characteristics and Survival Clustering Among Pairs of First-Degree Relatives With Breast Cancer. Swiss Med Wkly 2020, 150, w20327.