Four makers of artificial hips and knees paid doctors more than $800 million in royalties and fees in four years to influence their choice of implants, a U.S. investigator told Congress....
washingtonpost.com - February 28, 2008
http://www.washingtonpost.com/wp-dyn/content/article/2008/02/27/AR2008022703256.html?nav=rss_health
