PITTMED magazine, January, 2001
http://www.health.pitt.edu/pittmed/jan_2001/investigations.pdf

Pittsburgh Post-Gazette, Aug 2, 2004
http://www.post-gazette.com/pg/04215/355296.stm

News in Science. Reuters. 27 July 2004.
http://www.abc.net.au/science/news/health/HealthRepublish_1162782.htm

UPMC News Bureau. PITTSBURGH, Aug. 19, 2005
http://newsbureau.upmc.com/Print/PrintPacellaAward.htm