Modification to guì zhī tāng

''Modification:'' For severe headache - refer to:
Author: Dan Bensky and Randall Barolet
, p37

		Herb	Common Name		Qty.
	桂枝	Gui Zhi	(Saigon) cinnamon twig, cassia twig	9	grams
	生薑	Sheng Jiang	fresh ginger rhizome	9	grams
	大棗	Da Zao	jujube, Chinese date	4 - 12	pieces
	白芍	Bai Shao	white peony root, peony	9	grams
	炙甘草	Zhi Gan Cao	Honey Prepared Licorice	6	grams
	赤芍	Chi Shao	red peony root	9	grams
	藁本	Gao Ben	Chinese lovage root, ligusticum root, kao-ben