title: Largest healthcare unions. Ranked by national membership within the healthcare industry.
mesh_terms: D019981:Health Care Sector / Q000458:organization & administration* / Q000706:statistics & numerical data; D019538:Health Care Surveys; D006282:Health Personnel / Q000458:organization & administration* / Q000706:statistics & numerical data; D006801:Humans; D007750:Labor Unions / Q000706:statistics & numerical data*; D014481:United States