Single-step recovery of ephedrine hydrochloride from raw materials using expanded bed adsorption.Published in:Biotechnology Letters, 2004, v. 26, n. 15, p. 1233, doi. 10.1023/B:BILE.0000036603.35042.70By:Chen, Wei-Dong;Wang, Yan-Dong;Zha, Li-hang;Ma, Guang-Hui;Su, Zhi-GuoPublication type:Article