This is a letter of understanding from David Oaks to Hank McKinnell, Ph.D., Chairman and CEO of Pfizer. It requests that Pfizer provide evidence to the contrary if they wish to contest the claim that they have been unable to provide any peer-reviewed scientific evidence that Zoloft corrects a chemical imbalance in the brain.

16 April 2004 Oaks – McKinnell.pdf — PDF document, 72Kb