title: An approach to role expansion--the elaborate network.
mesh_terms: D001291:Attitude of Health Personnel; D004506:Education, Nursing; D007400:Interprofessional Relations; D009726:Nurses / Q000706:statistics & numerical data*; D010549:Personal Satisfaction; D010687:Philosophy, Nursing; D010820:Physicians; D012380:Role; D012922:Social Change; D014481:United States