@book{90550,
	author = {Ainsworth-Vaughn, Nancy. and ebrary, Inc.},
	title = {Claiming power in doctor-patient talk},
	publisher = {Oxford University Press,},
	year = {1998.},
	series = {Oxford studies in sociolinguistics},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10142246}
}