@conference {416,
	title = {Biomedical Vocabularies - the Demand for Differentiation},
	booktitle = {MEDINFO 2007 {\textendash} 12th International Conference on Medical Informatics},
	year = {2007},
	pages = {610-615},
	address = { Brisbane, Australia},
	author = {Ingenerf, Josef and Siegfried J. P{\"o}ppl},
	editor = {Kuhn, KA and Warren, JR and Leong, T-Y}
}
