Dr. Silviana Marineci, a Romanian completing a fellowship at the University of Minnesota, on the university campus in Minneapolis, Minn., March 17, 2017. Marineci is heading to a remote area of Idaho this summer hoping to help a community in need. Small-town America relies on a program that attracts foreign physicians to underserved areas. A recent federal change, however, could delay newcomers. (Jenn Ackerman/The New York Times)
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