Tan SY, Grimes S. (2010). Paul Ehrlich (1854-1915): man with the magic bullet. Singapore Medical Journal. 51(11):842-3. PMID21140107.
Heynick F. (2009). The original 'magic bullet' is 100 years old - extra. The British Journal of Psichiatry. 195(5):456. doi:10.1192/bjp.195.5.456. PMID19880937.