Modification to Qiāng Lán Tāng

''Modification:'' For coug with sputum that is difficult to expectorate. - refer to:
Author: Dan Bensky and Randall Barolet
, p49

		Herb	Common Name		Qty.
	羌活	Qiang Huo	notopterygium root, chiang-huo	9 - 12	grams
	板藍根	Ban Lan Gen	indigowoad root, Chinese Woad, indigo woad root, Isatis root	15 - 30	grams
	桔梗	Jie Geng	baloon flower root, platycodon root
	甘草	Gan Cao	licorice root