MeSH note : It is composed of Puerariae Lobatae Radix (roots of Pueraria lobata (Willd.) Ohwi),
Salviae Miltiorrhizae Radix (roots of Salvia miltiorrhiza Bge.), and Chuanxiong Rhizoma
(rhizomes of Ligusticum chuanxiong Hort.); structure in first source;