Saudi, La, Fiona Paramitha, Aby Nugrah Septanto, Novianti Lailiah, Nurullia Hanum Hilfida, Anja Hesnia Kholis, Wendi Muhammad Fadhli, Safaruddin Safaruddin, and Yeni Septia Ningsi. “Article RETRACTED Due to Malpractice The Role of Physical Activity in Modulating Immune Biomarkers and Oxidative Stress Among Cancer Patients: A Systematic Review”. Retos 71 (August 14, 2025): 72–90. Accessed November 15, 2026. https://www.revistaretos.org/index.php/retos/article/view/116156.