Pyrotinib versus lapatinib therapy for HER2 positive metastatic breast cancer patients after first-line treatment failure: A meta-analysis and systematic review

• Ye Yuan ,

  Roles Writing – original draft, Writing – review & editing

  * E-mail: 981735645@qq.com

  Affiliation Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China

  https://orcid.org/0000-0001-8594-7970

  ⨯
• Xumei Liu,

  Roles Investigation, Methodology, Software

  Affiliation Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China

  ⨯
• Yi Cai,

  Roles Formal analysis

  Affiliation Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China

  ⨯
• Wenyuan Li

  Roles Writing – review & editing

  Affiliation Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China

  ⨯