Khalife Soltani, Zhandark, Mehdi Sadeghzadeh, and Abbas Toloie Eshlaghy. “VGG19 in MRI Brain Tumor Classification: A Systematic Review of Validation Rigor and Clinical Readiness”. Health Nexus (January 1, 2027): 1–22. Accessed October 18, 2026. https://journals.kmanpub.com/index.php/Health-Nexus/article/view/6426.