Modification to dìng chuǎn tāng

''Modification:'' For thick, yellow sputum that is difficult to expectorate - refer to:
Author: Dan Bensky and Randall Barolet
, p301

		Herb	Common Name		Qty.
	麻黃	Ma Huang	ephedra stem	9	grams
	黃苓	Huang Qin	baical skullcap root, scutellaria, scute	4.5	grams
	半夏	Ban Xia	pinellia rhizome, pinellia tuber	9	grams
	杏仁	Xing Ren	apricot seed or kernel	4.5	grams
	款冬花	Kuan Dong Hua	coltsfoot, tussilago flower	9	grams
	紫蘇子	Zi Su Zi	purple perilla fruit, perilla seed	6	grams
	桑白皮	Sang Bai Pi	mulberry root bark, morus bark	9	grams
	甘草	Gan Cao	licorice root	3	grams
	白果	Bai Guo	ginko nut	9	grams
	瓜蔞皮	Gua Lou Pi	trichosanthes peel
	前胡	Qian Hu	peucedanum root, hogfennel root
	膽南星	Dan Nan Xing