Describes a clinical trial or other experiment in which the scientists doing the experiment know what treatments are being given to each study subject or experimental group. If human subjects are involved, they know what treatments they are receiving.
Audio contributed by: Marisa Weiss, M.D.
Breastcancer.org 7 East Lancaster Avenue, 3rd Floor Ardmore, PA 19003
Learn more about our commmitment to your privacy
© 2008 Breastcancer.org - All rights reserved.
Breastcancer.org is a non-profit organization dedicated to providing information and community to those touched by this disease. Learn more about our commitment to providing complete, accurate, and private breast cancer information.