Table 1. The ingredients of the Chaihu-Shugan-San (CSS) solution.

Chinese name	Ping Yin	English name	Part used	Proportion of ingredients (100%)
白芍	bai-shao	Radix paeoniae alba	Dried root	14.29
陈皮	chen-pi	Pericarpium citri reticulatae	Dried tangerine peel	19.05
枳壳	zhi-qiao	Fructus aurantii	Dried orange peel	14.29
香附	xiang-fu	Rhizoma cyperi	Dried root	14.29
川芎	chuan-qiong	Ligusticum chuanxiong Hort.	Dried root	14.29
甘草	gan-cao	Glycyrrhiza uralensis Fisch.	Dried root	4.74
柴胡	chai-hu	Bupleurum chinense DC	Dried root	19.05