Dr. Mark Molitch of Northwestern University, who helped write medical standards meant to limit HGH treatment to legitimate patients, holds an injector pen that contains approximately a weeks worth of doses for a patient in need of the drug at his clinic Thursday, Dec. 20, 2012, in Chicago. An Associated Press investigation shows that a federal crackdown on illicit foreign supplies of human growth hormone has failed to stop rampant misuse, and instead has driven record sales of the drug by some of the world's biggest pharmaceutical companies. (AP Photo/M. Spencer Green)