Salis, N., M. Girotti, and E. Rabino Massa. 2006. “Analysis of Ageing in Rural Communities: Demographic Aspects, Dietary Habits and Inheritance of Longevity”. Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale 81 (1). https://doi.org/10.4081/jbr.2006.8089.