Meet Barbara J. McNeil, Ph.D., M.D. - Ridley Watts Professor of Health Care Policy - http://bit.ly/Obx42m
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Meet Barbara J. McNeil, Ph.D., M.D. - Ridley Watts Professor of Health Care Policy - http://bit.ly/Obx42m