Hoang , P. T.; Nguyen , V. B.; Tran , B. D.; Hoang , D. S.; Nguyen , T. H. T.; Pham , D. D. .; Tran , M. Q. . Studies on Decontamination for Herbal Eyebright Raw Material and Product by Gamma Radiation. Nucl. Sci. and Tech. 2014, 4, 27-31.