![Effect and safety of dual anti-human epidermal growth factor receptor 2 therapy compared to monotherapy in patients with human epidermal growth factor receptor 2-positive breast cancer: a systematic review]()
Effect and safety of dual anti-human epidermal growth factor receptor 2 therapy compared to monotherapy in patients with human epidermal growth factor receptor 2-positive breast cancer: a systematic reviewZhang, Xiao; Zhang, Xin-Ji; Zhang, Tian-Yi; Yu, Fei-Fei; Wei, Xin; Li, Ye-Sheng; He, Jia · BMC Cancer · 2014