What's Causing a Shortage of Pediatric Cancer Drugs?

Aired: 2/15/2012 | 0:07:02 | Clip
While more than 250 drugs were declared in short supply in the U.S. this past year, the latest worries centered on one called Methotrexate, considered essential for children battling leukemia. Ray Suarez discusses the problem and latest developments with Dr. Peter Adamson of The Children's Hospital of Philadelphia.