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Foekens, J A., M P. Look, J Bolt-de Vries, M E Meijer-van Gelder, W L J van Putten, and J G M. Klijn. Cathepsin-D in Primary Breast Cancer: Prognostic Evaluation Involving 2810 Patients. Nature Publishing Group, 1999.

Foekens, J A., et al. Cathepsin-D in Primary Breast Cancer: Prognostic Evaluation Involving 2810 Patients. Nature Publishing Group, 1999.