@article {1646,
	title = {Identification of ergoline alkaloids in the genus <i>Argyreia </i>and related genera and their chemotaxonomic implications in the Convolvulaceae},
	journal = {Phytochemistry},
	volume = {12},
	year = {1973},
	pages = {2435-2440},
	author = {Chao, J.-M. and Marderosian, A. H. der}
}
