What is a controvercial event in medical history?

I need to research an event (that happened at least 15 years ago) that sparked controvercy in the medical world. Any ideas?

How about the whole "Where did AIDS come from" debate?

This entry was posted on Tuesday, September 29th, 2009 at 3:35 pm and is filed under event. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.