title: Professional organizations: changes and relationships.
authors.forename: N K
authors.initials: NK
authors.lastname: Roberts
mesh_terms: D000572:American Heart Association / Q000458:organization & administration; D000574:American Medical Association / Q000458:organization & administration; D007373:Interinstitutional Relations; D007400:Interprofessional Relations; D009936:Organizational Innovation; D012933:Social Identification; D012952:Societies / Q000458:organization & administration*; D014481:United States