Research on the Status Quo of the Regulation of Compound Tramadol
SUN Zhenhui, SUN Jun, WANG Jiayu, YU Dandan, WANG Ling, YU Zheng
Chinese Journal of Pharmacovigilance . 2019, (9): 528 -535 .  DOI: 10.19803/j.1672-8629.2019.09.03