Comment on

• The effects of different levels of dietary restriction on aging and survival in the Sprague-Dawley rat: implications for chronic studies.

  Duffy PH, Seng JE, Lewis SM, Mayhugh MA, Aidoo A, Hattan DG, Casciano DA, Feuers RJ. Duffy PH, et al. Aging (Milano). 2001 Aug;13(4):263-72. doi: 10.1007/BF03353422. Aging (Milano). 2001. PMID: 11695495
• Modulation by dietary restriction in gene expression related to insulin-like growth factor-1 in rat muscle.

  Tomita M, Shimokawa I, Higami Y, Yanagihara-Outa K, Kawahara T, Tanaka K, Ikeda T, Shindo H. Tomita M, et al. Aging (Milano). 2001 Aug;13(4):273-81. doi: 10.1007/BF03353423. Aging (Milano). 2001. PMID: 11695496