Identification and verification of prognostic genes related to zinc homeostasis and zinc transport in breast cancer 1Department of Thyroid, Breast and Vascular Surgery, Xijing Hospital of the Fourth Military Medical University, Xi’an, Shaanxi, China 2Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China 3Xi’an Medical University, Xi’an, Shaanxi, China DOI 10.7717/peerj.20031 Academic Editor Vladimir Uversky Subject Areas Bioinformatics, Molecular Biology, Oncology, Surgery and...