Headline: Communities losing doctors due to battle over green cardsLink: https://www.wusa9.com/article/news/local/maryland/communities-losing-doctors-due…Publication Date: Tuesday, June 18, 2019Primary Source: WUSA9.com (Washington D.C.)Non-Cato Author: Janice ParkType: new media postFormat: New MediaNature of Mention: citedScholar: Bier, DavidResearch Area: Government and PoliticsHealth, Welfare & EntitlementsImmigration and Labor MarketsSubjects: the shortage of U.S. doctors due to a lack of green cards