Youssef, J. A., Ammann, P., Ghanayem, B. L., Birnbaum, L. S., & Badr, M. Z. (2001). Mechanisms Involved in the Enhanced Susceptibility of Senescent Rats to the Hepatocarcinogenic Effect of Peroxisome Proliferators: Role of Peroxisome Proliferator-Activated Receptor alpha (PPAR), Cell Proliferation and Oxidative Stress. ScientificWorldJournal.

Youssef, Jihan A., Pierre Ammann, Burhan L. Ghanayem, Linda S. Birnbaum, و Mostafa Z. Badr. "Mechanisms Involved in the Enhanced Susceptibility of Senescent Rats to the Hepatocarcinogenic Effect of Peroxisome Proliferators: Role of Peroxisome Proliferator-Activated Receptor Alpha (PPAR), Cell Proliferation and Oxidative Stress." ScientificWorldJournal 2001.

Youssef, Jihan A., et al. "Mechanisms Involved in the Enhanced Susceptibility of Senescent Rats to the Hepatocarcinogenic Effect of Peroxisome Proliferators: Role of Peroxisome Proliferator-Activated Receptor Alpha (PPAR), Cell Proliferation and Oxidative Stress." ScientificWorldJournal 2001.