You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract GSK Heads for a Review of $1.6B Global Media Business Pharmaceutical Marketer Wants to Work With Fewer Agencies; PHD Holds $550M Account in U.S. By Emma Hall and Alexandra Bruell, Published on February 07, 2013 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.