Targeted Biomarker Profiling of Matched Primary and Metastatic Estrogen Receptor Positive Breast CancersErica Schleifman, Mark R. Lackner(Zen-Noh (Japan))PLoS ONEFebruary 10, 201410.1371/journal.pone.0088401Cited by 36SaveCiteExport RISWatch citationsRelated PapersAcquired PIK3CA amplification causes resistance to selective phosphoinositide 3-kinase inhibitors in breast cancer|Oncogenesis|2013|89Cyclin E1/CDK2 activation defines a key vulnerability to WEE1 kinase inhibition in gynecological cancers|npj Precision Oncology|2025|15