Which hospital shares its grounds with the Washington Hospital Center, Howard University Hospital or Children's National Medical Center?
Children's National Medical Center: Children’s National Medical Center (formerly DC Children’s Hospital) is ranked among the top 10 children’s hospitals in the country by "U.S. News & World Report." Children's National Medical Center:  Located just north of the McMillan Reservoir and Howard University, it shares grounds with Washington Hospital Center, National Rehabilitation Hospital, and the DC Veterans Affairs Medical Center.
i don't know