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Sigurdsson, H., B. Baldetorp, A. Borg, M. Dalberg, M. Fernö, D. Killander, H. Olsson, i J. Ranstam. Flow Cytometry in Primary Breast Cancer: Improving the Prognostic Value of the Fraction of Cells in the S-phase By Optimal Categorisation of Cut-off Levels. Nature Publishing Group, 1990.

Sigurdsson, H., et al. Flow Cytometry in Primary Breast Cancer: Improving the Prognostic Value of the Fraction of Cells in the S-phase By Optimal Categorisation of Cut-off Levels. Nature Publishing Group, 1990.