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2. Invasion Factors uPA/PAI-1 and HER2 Status Provide Independent and Complementary Information on Patient Outcome in Node-Negative Breast Cancer
   Iris Zemzoum et al, 2003, Journal of Clinical Oncology CrossRef
3. HER2 and uPAR cooperativity contribute to metastatic phenotype of HER2-positive breast cancer
   Vineesh Indira Chandran et al, 2015, Oncoscience CrossRef
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   Elena B. Elkin et al, 2004, Journal of Clinical Oncology CrossRef
5. Clinical Relevance of Invasion Factors Urokinase-Type Plasminogen Activator and Plasminogen Activator Inhibitor Type 1 for Individualized Therapy Decisions in Primary Breast Cancer Is Greatest When Used in Combination
   Nadia Harbeck et al, 2002, Journal of Clinical Oncology CrossRef