Sepkowitz, Kent A. (Jul 28, 2011). "One Hundred Years of Salvarsan". New England Journal of Medicine. 365 (4): 291–293. doi:10.1056/NEJMp1105345. PMID21793743.
Sepkowitz, Kent A. (Jul 28, 2011). "One Hundred Years of Salvarsan". New England Journal of Medicine. 365 (4): 291–293. doi:10.1056/NEJMp1105345. PMID21793743.