Hackshaw MD, Bui CL, Ladner A, Tu N, Zahidu I, Ritchey ME, Salas M. Review of survival, safety, and clinical outcomes in HER2+ metastatic gastric cancer following the administration of trastuzumab post-trastuzumab gastric cancer. Cancer Treat Res Commun. 2020;24(2020). doi: 10.1016/j.ctarc.2020.100189