1. J.-P. Gaudillière, Bull. Hist Med, 83(1), 218 – 220 (2009).
2. S. Jones, Nat. Biotechnol., 30(6), 333 – 333 (2012).
3. L. L. Brunton, J. S. Lazo, K. Parker, et al., Ann. Pharmacother., 40(6), 1218 (2006).
4. S. R. M. Bushby and G. H. Hitchings, Br. J. Pharm. Chemother., 33(1), 72 – 90 (1968).
5. M. J. ONeil, P. E. Heckelman, C. B. Koch, et al., The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals, Merck & Co., Whitehouse Station, NJ, USA. (2006), pp. 1525 – 1535.