October 1, 2019 letter to Robert Wilkie.
4/1/19. Letter to the U.S. Department of Health and Human Services, Office of the Assistant Secretary for Health.
December 20, 2018. Letter to Mick Mulvaney.
July 3, 2018. Letter to Jefferson B. Sessions, III re: Our Nation’s Opioid Overdose Crisis.
March 19, 2018 letter to USPSTF Coordinator.