title: Sluggish visa approval process hamstrings scientific conferences.
authors.forename: James
authors.initials: J
authors.lastname: Schultz
mesh_terms: D003226:Congresses as Topic; D006077:Government Agencies; D006801:Humans; D007391:International Cooperation; D012106:Research; D012637:Security Measures / Q000458:organization & administration / Q000639:trends; D014481:United States