Schmalstieg, FC; AS Goldman (). „Ilya Ilich Metchnikoff (1845–1915) and Paul Ehrlich (1854–1915): the centennial of the 1908 Nobel Prize in Physiology or Medicine”. Journal of Medical Biography. 16 (2): 96–103. doi:10.1258/jmb.2008.008006. PMID18463079.
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ncbi.nlm.nih.gov
Schmalstieg, FC; AS Goldman (). „Ilya Ilich Metchnikoff (1845–1915) and Paul Ehrlich (1854–1915): the centennial of the 1908 Nobel Prize in Physiology or Medicine”. Journal of Medical Biography. 16 (2): 96–103. doi:10.1258/jmb.2008.008006. PMID18463079.