Mark your calendars! The National Institutes of Health (NIH) is hosting a Tweet Chat on Feb. 21, 2017 from 1-2pm ET. The chat will feature NIH Director Francis S. Collins, M.D., Ph.D. - NCATS Director Christopher P. Austin, M.D. - NCATS Office of Rare Diseases Research Director Petra Kaufmann, M.D., … [Read more...] about National Institutes of Health (NIH) Tweet Chat