How did the Epidemics Decline in 1800’s? – Meriç Erdolu
…‘sanitary test’ of British cities, 1831–1866”, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6582458/ 6) Richard Lewontin, (1991), “Biology as Ideology”, Anansi. 7) Simona, Luca, vd., (2013), “History of BCG Vaccine”, https://www.ncbi.nlm.nih.gov/pmc/ articles/PMC3749764/ 8) Mauricio, L., Barreto, vd., (2006), “BCG…