1. National Research Institute of Sports Medicine, State Physical Culture and Sports Commission, Beijing, 100029;
2. Peiking Union Medical College, Beijing
GUI Kai-Rong, ZHOU Yi, ZHANG Chang-Jiu, CHEN Shi-Zhi. Determination of 4 Drugs of Ephedrines in Urine by GC/MSD. Chem. J. Chinese Universities, 1992, 13(12): 1553.