You may also wish to search for items by Yu, S. and Yu.
Only one matching reference was found.
Yu, S.G.; Nehus, Z.T.; Badger, T.M.; Fang, N.B., Quantification of vitamin E and gamma-oryzanol components in rice germ and bran, J. Agric. Food Chem., 2007, 55, 18, 7308-7313, https://doi.org/10.1021/jf071957p . [all data]