Julia, C. (2011). Louis-Rene Villerme (1782–1863), a pioneer in social epidemiology: re-analysis of his data on comparative mortality in Paris in the early 19th century. Journal of Epidemiology & Community Health. 65 (8): 666–70. doi:10.1136/jech.2009.087957. PMID19767321.
Julia, C. (2011). Louis-Rene Villerme (1782–1863), a pioneer in social epidemiology: re-analysis of his data on comparative mortality in Paris in the early 19th century. Journal of Epidemiology & Community Health. 65 (8): 666–70. doi:10.1136/jech.2009.087957. PMID19767321.