References
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- Evans P. G.E., Sugden J. K., Van Abbe N. J. Pharm. Acta. Helv. 1975; 50: 96
- Kiyirai C., Shimazu Y., Moriohita Y., Kozo E. Fukui Daigaku, Kogakubu Semi, Kenkya Shisetsu, Hokoku 1969; 1: 47
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