To cite PCAPAM50 in publications, please use:

  Raj-Kumar P, Liu J, Hooke J, Kovatich A, Kvecher L, Shriver C, Hu H
  (2019). “PCA-PAM50 improves consistency between breast cancer
  intrinsic and clinical subtyping reclassifying a subset of luminal A
  tumors as luminal B.” _Scientific Reports_, *9*(1), 7956.
  doi:10.1038/s41598-019-44339-4
  <https://doi.org/10.1038/s41598-019-44339-4>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {PCA-PAM50 improves consistency between breast cancer intrinsic and clinical subtyping reclassifying a subset of luminal A tumors as luminal B},
    author = {Praveen-Kumar Raj-Kumar and Jianfang Liu and Jeffrey A. Hooke and Albert J. Kovatich and Leonid Kvecher and Craig D. Shriver and Hai Hu},
    journal = {Scientific Reports},
    year = {2019},
    volume = {9},
    number = {1},
    pages = {7956},
    publisher = {Nature Publishing Group UK London},
    doi = {10.1038/s41598-019-44339-4},
  }

  Parker J, Mullins M, Cheang M, Leung S, Voduc D, Vickery T, Davies S,
  Fauron C, He X, Hu Z, et al. (2009). “Supervised risk predictor of
  breast cancer based on intrinsic subtypes.” _Journal of Clinical
  Oncology_, *27*(8), 1160-1167. doi:10.1200/JCO.2008.18.1370
  <https://doi.org/10.1200/JCO.2008.18.1370>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Supervised risk predictor of breast cancer based on intrinsic subtypes},
    author = {Joel S. Parker and Michael Mullins and Maggie CU Cheang and Samuel Leung and David Voduc and Tammi Vickery and Sherri Davies and Christiane Fauron and Xiaping He and Zhiyuan Hu and {et al.}},
    journal = {Journal of Clinical Oncology},
    year = {2009},
    volume = {27},
    number = {8},
    pages = {1160--1167},
    publisher = {American Society of Clinical Oncology},
    doi = {10.1200/JCO.2008.18.1370},
  }

The package is available at
https://CRAN.R-project.org/package=PCAPAM50.  The tool portal is
available at https://www.wriwindber.org/tools-portal/pca-pam50/.