St. Jude en Study: Drug Shortages Force Doctors To Change, Delay Cancer Treatment <p>Nine of 10 cancer doctors nationwide have had to delay or change chemotherapy treatments because of drug shortages. That's according to a study released last week, and it's another example of how shortages affect patients.</p><p> Mon, 25 Mar 2013 20:12:47 +0000 Michael Tomsic 23943 at