NOt really sure. I recommend asking a few different doctors. But here are some websites on medical research that may help you out with your questions. Good luck.
Found a new website that has information about medical research studies.
http://www.medical-research-study-directory.info
http://www.medical-research-study-directory.info/san-diego-medical-research-study.htm
http://www.web-site-award-winning.com/adsense-video-course.htm
