Nicholas C.N.C.LloydNicholas C.N.C. i inni, The Composition of Ehrlich's Salvarsan: Resolution of a Century-Old Debate, „Angewandte Chemie International Edition”, 44 (6), 2005, s. 941–944, DOI: 10.1002/anie.200461471, PMID: 15624113(ang.).
Nicholas C.N.C.LloydNicholas C.N.C. i inni, The Composition of Ehrlich's Salvarsan: Resolution of a Century-Old Debate, „Angewandte Chemie International Edition”, 44 (6), 2005, s. 941–944, DOI: 10.1002/anie.200461471, PMID: 15624113(ang.).