Trong Bien, Tran, Thi Linh Giang, Pham, AND Thai Ha Van, Pham. " Extraction of Tanshinones Rich Extract of Danshen (Salvia Miltiorrhiza Bunge) Root Using Adsorptive (Non-Ionic) Macroporous Resins" VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 37 Number 3 (14 September 2021)