@article {164761,
	title = {Guaianolides from Centaurea scoparia},
	journal = {Phytochemistry},
	volume = {45},
	year = {1997},
	note = {n/a},
	pages = {551-554},
	publisher = {Pergamon},
	abstract = {n/a},
	isbn = {0031-9422},
	author = {Amr M. Helal and Nakamura, Norio and Meselhy, Meselhy R and Ahlam M. El-Fishawy and Masao Hattori and Mahran, Gamal H}
}
