gital marketplace." The New York Times <hftps://vvww.nytimes.corn/2020/07/28/technology/amazon-apple-facebook-google- antitrust-hearing.html> (7/28, ICang, Nicas, McCabe, 18.61M) quotes Gigi Sohn, "a former senior adviser at the Federal Communications Commission and a fellow at Georgetown University's

a lack of normal discs for com- parison. Furthermore, there was no attempt to measure pain perception using a reliable and valid pain instrument. ICang and others (1997) cultured normal and herni- ated human intervertebral disc specimens to study the effects of IL-I43 on the production of nitric oxi